feat(creatorname): 레거시 조회와 검색에 언어별 이름을 적용한다

src/main/kotlin/kr/co/vividnext/sodalive/admin/live/AdminLiveService.kt

@@ -342,6 +342,7 @@ class AdminLiveService(
                     type = FcmEventType.CANCEL_LIVE,
                     category = PushNotificationCategory.LIVE,
                     title = room.member!!.nickname,
+                    titleMemberId = room.member!!.id,
                     messageKey = "live.room.fcm.message.canceled",
                     senderMemberId = room.member!!.id,
                     args = listOf(room.title),

src/main/kotlin/kr/co/vividnext/sodalive/api/home/HomeService.kt

@@ -24,6 +24,7 @@ import kr.co.vividnext.sodalive.query.recommend.RecommendChannelQueryService
 import kr.co.vividnext.sodalive.rank.ContentRankingSortType
 import kr.co.vividnext.sodalive.rank.RankingRepository
 import kr.co.vividnext.sodalive.rank.RankingService
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.domain.Pageable
 import org.springframework.stereotype.Service
@@ -49,6 +50,7 @@ class HomeService(
     private val explorerQueryRepository: ExplorerQueryRepository,
 
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
     private val memberContentPreferenceService: MemberContentPreferenceService,
 
     @Value("\${cloud.aws.cloud-front.host}")
@@ -87,7 +89,7 @@ class HomeService(
             timezone = timezone
         )
 
-        val creatorRankingMembers = rankingRepository.getCreatorRankings(memberId = memberId)
+        val creatorRankingMembers = rankingRepository.getCreatorRankings(memberId = memberId, lang = langContext.lang)
         val creatorRankingIds = creatorRankingMembers.mapNotNull { it.id }
         val followedCreatorIds = if (memberId != null) {
             explorerQueryRepository.getFollowedCreatorIds(creatorRankingIds, memberId)
@@ -99,7 +101,7 @@ class HomeService(
             val creatorId = creator.id!!
             val follow = memberId != null && followedCreatorIds.contains(creatorId)
 
-            creator.toExplorerSectionCreator(imageHost, follow)
+            creator.copy(follow = follow)
         }
 
         val latestContentThemeList = contentThemeService.getActiveThemeOfContent(
@@ -171,6 +173,10 @@ class HomeService(
             isAdult = isAdult,
             contentType = resolvedContentType
         )
+        val recommendedNames = localizedNameService.findCurrentNames(
+            recommendChannelList.map { it.channelId },
+            langContext.lang
+        )
 
         val freeContentList = getRandomizedContentList(
             memberId = memberId,
@@ -212,7 +218,9 @@ class HomeService(
             dayOfWeekSeriesList = translatedDayOfWeekSeriesList,
             popularCharacters = translatedPopularCharacters,
             contentRanking = contentRanking,
-            recommendChannelList = recommendChannelList,
+            recommendChannelList = recommendChannelList.map {
+                it.copy(creatorNickname = recommendedNames[it.channelId] ?: it.creatorNickname)
+            },
             freeContentList = freeContentList,
             pointAvailableContentList = pointAvailableContentList,
             recommendContentList = getRecommendContentListByPreference(

src/main/kotlin/kr/co/vividnext/sodalive/audition/applicant/AuditionApplicantRepository.kt

@@ -5,7 +5,9 @@ import kr.co.vividnext.sodalive.audition.AuditionApplicant
 import kr.co.vividnext.sodalive.audition.QAuditionApplicant.auditionApplicant
 import kr.co.vividnext.sodalive.audition.QAuditionRole.auditionRole
 import kr.co.vividnext.sodalive.audition.QAuditionVote.auditionVote
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 
@@ -18,7 +20,8 @@ interface AuditionApplicantQueryRepository {
         auditionRoleId: Long,
         sortType: AuditionApplicantSortType,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang = Lang.KO
     ): List<GetAuditionRoleApplicantItem>
 
     fun findActiveApplicantByMemberIdAndRoleId(memberId: Long, roleId: Long): AuditionApplicant?
@@ -64,8 +67,10 @@ class AuditionApplicantQueryRepositoryImpl(
         auditionRoleId: Long,
         sortType: AuditionApplicantSortType,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang
     ): List<GetAuditionRoleApplicantItem> {
+        val creatorName = CreatorNameJoin(member, lang, "applicantMemberName")
         val orderBy = if (sortType == AuditionApplicantSortType.LIKES) {
             auditionVote.id.count().desc()
         } else {
@@ -77,7 +82,7 @@ class AuditionApplicantQueryRepositoryImpl(
                 QGetAuditionRoleApplicantItem(
                     auditionApplicant.id,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     auditionApplicant.voicePath.prepend("/").prepend(cloudFrontHost),
                     auditionVote.id.count()
@@ -85,6 +90,7 @@ class AuditionApplicantQueryRepositoryImpl(
             )
             .from(auditionApplicant)
             .innerJoin(auditionApplicant.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(auditionApplicant.role, auditionRole)
             .leftJoin(auditionVote).on(auditionApplicant.id.eq(auditionVote.applicant.id))
             .where(
@@ -92,7 +98,7 @@ class AuditionApplicantQueryRepositoryImpl(
                 auditionApplicant.isActive.isTrue,
                 member.isActive.isTrue
             )
-            .groupBy(auditionApplicant.id)
+            .groupBy(auditionApplicant.id, member.id, creatorName.name.displayName)
             .orderBy(orderBy)
             .offset(offset)
             .limit(limit)

src/main/kotlin/kr/co/vividnext/sodalive/audition/applicant/AuditionApplicantService.kt

@@ -6,6 +6,7 @@ import kr.co.vividnext.sodalive.audition.AuditionApplicant
 import kr.co.vividnext.sodalive.audition.role.AuditionRoleRepository
 import kr.co.vividnext.sodalive.aws.s3.S3Uploader
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.utils.generateFileName
 import org.springframework.beans.factory.annotation.Value
@@ -21,6 +22,7 @@ class AuditionApplicantService(
 
     private val s3Uploader: S3Uploader,
     private val objectMapper: ObjectMapper,
+    private val langContext: LangContext,
 
     @Value("\${cloud.aws.s3.bucket}")
     private val bucket: String
@@ -36,7 +38,8 @@ class AuditionApplicantService(
             auditionRoleId = auditionRoleId,
             sortType = sortType,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
 
         return GetAuditionApplicantListResponse(

src/main/kotlin/kr/co/vividnext/sodalive/can/CanRepository.kt

@@ -19,10 +19,12 @@ import kr.co.vividnext.sodalive.chat.character.QChatCharacter.chatCharacter
 import kr.co.vividnext.sodalive.chat.character.image.QCharacterImage.characterImage
 import kr.co.vividnext.sodalive.content.QAudioContent.audioContent
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.QCreatorCommunity.creatorCommunity
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.QMember
 import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.data.domain.Pageable
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
@@ -32,7 +34,7 @@ interface CanRepository : JpaRepository<Can, Long>, CanQueryRepository
 
 interface CanQueryRepository {
     fun findAllByStatusAndCurrency(status: CanStatus, currency: String?): List<CanResponse>
-    fun getCanUseStatus(member: Member, pageable: Pageable, container: String): List<UseCanQueryDto>
+    fun getCanUseStatus(member: Member, pageable: Pageable, container: String, lang: Lang = Lang.KO): List<UseCanQueryDto>
     fun getCanChargeStatus(member: Member, pageable: Pageable, container: String): List<Charge>
     fun isExistPaidLiveRoom(memberId: Long, roomId: Long): UseCan?
     fun getCanUsedForLiveRoomNotRefund(memberId: Long, roomId: Long, canUsage: CanUsage = CanUsage.LIVE): UseCan?
@@ -66,11 +68,15 @@ class CanQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : CanQue
             .fetch()
     }
 
-    override fun getCanUseStatus(member: Member, pageable: Pageable, container: String): List<UseCanQueryDto> {
+    override fun getCanUseStatus(member: Member, pageable: Pageable, container: String, lang: Lang): List<UseCanQueryDto> {
         val qRoomMember = QMember("roomMember")
         val qAudioContentMember = QMember("audioContentMember")
         val qCommunityPostMember = QMember("communityPostMember")
         val qRecipientMember = QMember("recipientMember")
+        val roomName = CreatorNameJoin(qRoomMember, lang, "receiptRoomCreatorName")
+        val audioName = CreatorNameJoin(qAudioContentMember, lang, "receiptAudioCreatorName")
+        val communityName = CreatorNameJoin(qCommunityPostMember, lang, "receiptCommunityCreatorName")
+        val recipientName = CreatorNameJoin(qRecipientMember, lang, "receiptRecipientCreatorName")
 
         val gatewayCondition = when (container) {
             "aos" -> useCanCalculate.paymentGateway.`in`(
@@ -96,23 +102,26 @@ class CanQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : CanQue
                     useCan.can,
                     useCan.rewardCan,
                     useCan.createdAt,
-                    qRoomMember.nickname,
+                    roomName.displayName,
                     liveRoom.title,
-                    qAudioContentMember.nickname,
+                    audioName.displayName,
                     audioContent.title,
-                    qCommunityPostMember.nickname,
+                    communityName.displayName,
                     audition.title,
                     chatCharacter.name,
-                    qRecipientMember.nickname
+                    recipientName.displayName
                 )
             )
             .from(useCan)
             .leftJoin(useCan.room, liveRoom)
             .leftJoin(liveRoom.member, qRoomMember)
+            .leftJoin(roomName.name).on(roomName.condition)
             .leftJoin(useCan.audioContent, audioContent)
             .leftJoin(audioContent.member, qAudioContentMember)
+            .leftJoin(audioName.name).on(audioName.condition)
             .leftJoin(useCan.communityPost, creatorCommunity)
             .leftJoin(creatorCommunity.member, qCommunityPostMember)
+            .leftJoin(communityName.name).on(communityName.condition)
             .leftJoin(useCan.auditionApplicant, auditionApplicant)
             .leftJoin(auditionApplicant.role, auditionRole)
             .leftJoin(auditionRole.audition, audition)
@@ -120,6 +129,7 @@ class CanQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : CanQue
             .leftJoin(characterImage.chatCharacter, chatCharacter)
             .innerJoin(useCan.useCanCalculates, useCanCalculate)
             .leftJoin(qRecipientMember).on(useCanCalculate.recipientCreatorId.eq(qRecipientMember.id))
+            .leftJoin(recipientName.name).on(recipientName.condition)
             .where(
                 useCan.member.id.eq(member.id)
                     .and(useCan.isRefund.isFalse)

src/main/kotlin/kr/co/vividnext/sodalive/can/CanService.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.can
 import kr.co.vividnext.sodalive.can.charge.ChargeStatus
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.common.CountryContext
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import org.springframework.data.domain.Pageable
 import org.springframework.stereotype.Service
@@ -14,7 +15,8 @@ import java.time.format.DateTimeFormatter
 @Transactional(readOnly = true)
 class CanService(
     private val repository: CanRepository,
-    private val countryContext: CountryContext
+    private val countryContext: CountryContext,
+    private val langContext: LangContext
 ) {
     fun getCans(forcedCurrency: String? = null): List<CanResponse> {
         val currency = forcedCurrency ?: when (countryContext.countryCode) {
@@ -43,7 +45,7 @@ class CanService(
             ZoneId.of("UTC")
         }
 
-        return repository.getCanUseStatus(member, pageable, container)
+        return repository.getCanUseStatus(member, pageable, container, langContext.lang)
             .map {
                 val title: String = when (it.canUsage) {
                     CanUsage.HEART, CanUsage.DONATION, CanUsage.SPIN_ROULETTE -> {

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentController.kt

@@ -3,9 +3,11 @@ package kr.co.vividnext.sodalive.content
 import kr.co.vividnext.sodalive.common.ApiResponse
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.content.like.PutAudioContentLikeRequest
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.member.contentpreference.ViewerContentPreference
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.data.domain.Pageable
 import org.springframework.lang.Nullable
 import org.springframework.security.access.prepost.PreAuthorize
@@ -29,7 +31,9 @@ import java.time.temporal.TemporalAdjusters
 @RequestMapping("/audio-content")
 class AudioContentController(
     private val service: AudioContentService,
-    private val memberContentPreferenceService: MemberContentPreferenceService
+    private val memberContentPreferenceService: MemberContentPreferenceService,
+    private val localizedNameService: CreatorLocalizedNameService,
+    private val langContext: LangContext
 ) {
     @PostMapping
     @PreAuthorize("hasRole('CREATOR')")
@@ -214,7 +218,10 @@ class AudioContentController(
                 offset = pageable.offset,
                 limit = pageable.pageSize.toLong(),
                 sortType = sortType ?: "매출"
-            )
+            ).let { response ->
+                val names = localizedNameService.findCurrentNames(response.items.map { it.creatorId }, langContext.lang)
+                response.copy(items = response.items.map { it.copy(creatorNickname = names[it.creatorId] ?: it.creatorNickname) })
+            }
         )
     }
 

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentRepository.kt

@@ -29,9 +29,11 @@ import kr.co.vividnext.sodalive.content.translation.QContentTranslation.contentT
 import kr.co.vividnext.sodalive.creator.admin.content.series.QSeries.series
 import kr.co.vividnext.sodalive.creator.admin.content.series.QSeriesContent.seriesContent
 import kr.co.vividnext.sodalive.event.QEvent.event
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
@@ -85,7 +87,8 @@ interface AudioContentQueryRepository {
         contentType: ContentType,
         offset: Long = 0,
         limit: Long = 20,
-        isFree: Boolean = false
+        isFree: Boolean = false,
+        lang: Lang = Lang.KO
     ): List<GetAudioContentMainItem>
 
     fun findAlarmContentByTheme(
@@ -167,7 +170,7 @@ interface AudioContentQueryRepository {
 
     fun isContentCreator(contentId: Long, memberId: Long): Boolean
 
-    fun fetchContentForPlaylist(contentIdList: List<Long>): List<AudioContentPlaylistContent>
+    fun fetchContentForPlaylist(contentIdList: List<Long>, lang: Lang = Lang.KO): List<AudioContentPlaylistContent>
     fun getCoverImageById(id: Long): String?
     fun findPreviousContent(seriesId: Long, title: String, isAdult: Boolean): OtherContentResponse?
     fun findNextContent(seriesId: Long, title: String, isAdult: Boolean): OtherContentResponse?
@@ -467,8 +470,10 @@ class AudioContentQueryRepositoryImpl(
         contentType: ContentType,
         offset: Long,
         limit: Long,
-        isFree: Boolean
+        isFree: Boolean,
+        lang: Lang
     ): List<GetAudioContentMainItem> {
+        val creatorName = CreatorNameJoin(member, lang, "themeCreatorName")
         val blockMemberCondition = blockMember.isActive.isTrue
             .and(
                 blockMember.member.id.eq(member.id)
@@ -535,7 +540,7 @@ class AudioContentQueryRepositoryImpl(
             where = where.and(audioContent.price.loe(0))
         }
 
-        return queryFactory
+        val query = queryFactory
             .select(
                 QGetAudioContentMainItem(
                     audioContent.id,
@@ -543,7 +548,7 @@ class AudioContentQueryRepositoryImpl(
                     audioContent.title,
                     member.id,
                     member.profileImage.prepend("/").prepend(imageHost),
-                    member.nickname,
+                    creatorName.displayName,
                     audioContent.price,
                     audioContent.duration,
                     audioContent.isPointAvailable
@@ -557,7 +562,8 @@ class AudioContentQueryRepositoryImpl(
             .offset(offset)
             .limit(limit)
             .orderBy(*orderBy.toTypedArray())
-            .fetch()
+        query.leftJoin(creatorName.name).on(creatorName.condition)
+        return query.fetch()
     }
 
     override fun findAlarmContentByTheme(
@@ -1210,7 +1216,8 @@ class AudioContentQueryRepositoryImpl(
         return foundedContentId != null && foundedContentId == contentId
     }
 
-    override fun fetchContentForPlaylist(contentIdList: List<Long>): List<AudioContentPlaylistContent> {
+    override fun fetchContentForPlaylist(contentIdList: List<Long>, lang: Lang): List<AudioContentPlaylistContent> {
+        val creatorName = CreatorNameJoin(member, lang, "playlistCreatorName")
         return queryFactory
             .select(
                 QAudioContentPlaylistContent(
@@ -1219,12 +1226,13 @@ class AudioContentQueryRepositoryImpl(
                     audioContentTheme.theme,
                     audioContent.coverImage.prepend("/").prepend(imageHost),
                     audioContent.duration,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(imageHost)
                 )
             )
             .from(audioContent)
             .innerJoin(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(audioContent.theme, audioContentTheme)
             .where(audioContent.id.`in`(contentIdList))
             .fetch()
@@ -1466,6 +1474,7 @@ class AudioContentQueryRepositoryImpl(
         }
 
         val coverImageUrl = audioContent.coverImage.prepend("/").prepend(imageHost)
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "latestCreatorName")
 
         var select = queryFactory
             .select(
@@ -1474,11 +1483,12 @@ class AudioContentQueryRepositoryImpl(
                 audioContent.title,
                 contentTranslation.renderedPayload,
                 coverImageUrl,
-                member.nickname,
+                creatorName.displayName,
                 audioContent.isPointAvailable
             )
             .from(audioContent)
             .innerJoin(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(audioContent.theme, audioContentTheme)
             .leftJoin(contentTranslation)
             .on(contentTranslation.contentId.eq(audioContent.id).and(contentTranslation.locale.eq(locale)))
@@ -1523,7 +1533,7 @@ class AudioContentQueryRepositoryImpl(
             val payload = row.get(contentTranslation.renderedPayload)
             val translatedTitle = payload?.title
             val imageUrl = row.get(coverImageUrl)!!
-            val creatorNickname = row.get(member.nickname)!!
+            val creatorNickname = row.get(creatorName.displayName)!!
             val isPointAvailableValue = row.get(audioContent.isPointAvailable) ?: false
 
             AudioContentMainItem(

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentService.kt

@@ -40,6 +40,7 @@ import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.utils.generateFileName
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import kr.co.vividnext.sodalive.v2.home.following.application.HomeFollowingNewsPublishService
 import kr.co.vividnext.sodalive.v2.recommendation.application.CreatorContentViewHistoryService
 import org.slf4j.LoggerFactory
@@ -87,6 +88,7 @@ class AudioContentService(
 
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
 
     private val contentThemeTranslationRepository: ContentThemeTranslationRepository,
     private val homeFollowingNewsPublishService: HomeFollowingNewsPublishService,
@@ -512,6 +514,7 @@ class AudioContentService(
                     type = FcmEventType.UPLOAD_CONTENT,
                     category = PushNotificationCategory.CONTENT,
                     title = audioContent.member!!.nickname,
+                    titleMemberId = audioContent.member!!.id,
                     messageKey = "content.notification.uploaded_message",
                     senderMemberId = audioContent.member!!.id,
                     args = listOf(audioContent.title),
@@ -542,6 +545,7 @@ class AudioContentService(
                     type = FcmEventType.UPLOAD_CONTENT,
                     category = PushNotificationCategory.CONTENT,
                     title = audioContent.member!!.nickname,
+                    titleMemberId = audioContent.member!!.id,
                     messageKey = "content.notification.uploaded_message",
                     senderMemberId = audioContent.member!!.id,
                     args = listOf(audioContent.title),
@@ -702,7 +706,8 @@ class AudioContentService(
                 isContentCreator = creatorId == member.id!!,
                 timezone = timezone,
                 offset = 0,
-                limit = 1
+                limit = 1,
+                lang = langContext.lang
             )
         } else {
             listOf()
@@ -844,7 +849,7 @@ class AudioContentService(
             audioContent.limited != null &&
             audioContent.remaining != null
         ) {
-            orderRepository.findBuyerListByContentId(id)
+            orderRepository.findBuyerListByContentId(id, langContext.lang)
         } else {
             listOf()
         }
@@ -920,6 +925,10 @@ class AudioContentService(
             )
         }
 
+        val names = localizedNameService.findLocalizedNames(
+            listOf(creatorId),
+            langContext.lang
+        )
         return GetAudioContentDetailResponse(
             contentId = audioContent.id!!,
             title = audioContent.title,
@@ -955,7 +964,7 @@ class AudioContentService(
             isAvailablePin = isAvailablePin,
             creator = AudioContentCreator(
                 creatorId = creatorId,
-                nickname = creator.nickname,
+                nickname = names[creatorId] ?: creator.nickname,
                 profileImageUrl = if (creator.profileImage != null) {
                     "$coverImageHost/${creator.profileImage}"
                 } else {

src/main/kotlin/kr/co/vividnext/sodalive/content/comment/AudioContentCommentController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.content.comment
 
 import kr.co.vividnext.sodalive.common.ApiResponse
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.useraction.ActionType
 import kr.co.vividnext.sodalive.useraction.UserActionService
@@ -18,7 +19,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 class AudioContentCommentController(
     private val service: AudioContentCommentService,
-    private val userActionService: UserActionService
+    private val userActionService: UserActionService,
+    private val langContext: LangContext
 ) {
     @PostMapping("/audio-content/comment")
     fun registerComment(
@@ -79,7 +81,8 @@ class AudioContentCommentController(
                 audioContentId = audioContentId,
                 memberId = member.id!!,
                 timezone = timezone,
-                pageable = pageable
+                pageable = pageable,
+                lang = langContext.lang
             )
         )
     }
@@ -98,7 +101,8 @@ class AudioContentCommentController(
                 commentId = commentId,
                 memberId = member.id!!,
                 timezone = timezone,
-                pageable = pageable
+                pageable = pageable,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/content/comment/AudioContentCommentRepository.kt

@@ -1,16 +1,18 @@
 package kr.co.vividnext.sodalive.content.comment
 
+import com.querydsl.core.types.dsl.CaseBuilder
 import com.querydsl.core.types.dsl.Expressions
 import com.querydsl.jpa.JPAExpressions
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.content.QAudioContent.audioContent
 import kr.co.vividnext.sodalive.content.comment.QAudioContentComment.audioContentComment
-import kr.co.vividnext.sodalive.extensions.removeDeletedNicknamePrefix
 import kr.co.vividnext.sodalive.fcm.PushTokenInfo
 import kr.co.vividnext.sodalive.fcm.QPushToken.pushToken
 import kr.co.vividnext.sodalive.fcm.QPushTokenInfo
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -26,7 +28,8 @@ interface AudioContentCommentQueryRepository {
         isContentCreator: Boolean,
         timezone: String,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang? = null
     ): List<GetAudioContentCommentListItem>
 
     fun totalCountCommentByContentId(contentId: Long, memberId: Long, isContentCreator: Boolean): Int
@@ -37,7 +40,8 @@ interface AudioContentCommentQueryRepository {
         memberId: Long,
         timezone: String,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang? = null
     ): List<GetAudioContentCommentListItem>
 
     fun findPushTokenByContentIdAndCommentParentIdMyMemberId(
@@ -58,8 +62,13 @@ class AudioContentCommentQueryRepositoryImpl(
         isContentCreator: Boolean,
         timezone: String,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang?
     ): List<GetAudioContentCommentListItem> {
+        val creatorName = lang?.let { CreatorNameJoin(member, it, "audioCommentWriterName") }
+        val originalName = CaseBuilder().`when`(member.nickname.startsWith("deleted_"))
+            .then(member.nickname.substring(8)).otherwise(member.nickname)
+        val displayName = creatorName?.name?.displayName?.coalesce(originalName) ?: originalName
         var where = audioContentComment.audioContent.id.eq(contentId)
             .and(audioContentComment.isActive.isTrue)
             .and(audioContentComment.parent.isNull)
@@ -85,12 +94,12 @@ class AudioContentCommentQueryRepositoryImpl(
             "%Y.%m.%d %W %h:%i %p"
         )
 
-        return queryFactory
+        val query = queryFactory
             .select(
                 QGetAudioContentCommentListItem(
                     audioContentComment.id,
                     audioContentComment.member.id,
-                    audioContentComment.member.nickname,
+                    displayName,
                     audioContentComment.member.profileImage.prepend("/").prepend(cloudFrontHost),
                     audioContentComment.comment,
                     audioContentComment.languageCode,
@@ -107,10 +116,10 @@ class AudioContentCommentQueryRepositoryImpl(
             .offset(offset)
             .limit(limit.toLong())
             .orderBy(audioContentComment.createdAt.desc())
-            .fetch()
+        if (creatorName != null) query.leftJoin(creatorName.name).on(creatorName.condition)
+        return query.fetch()
             .map {
                 it.copy(
-                    nickname = it.nickname.removeDeletedNicknamePrefix(),
                     replyCount = commentReplyCountByAudioContentCommentId(it.id, memberId)
                 )
             }
@@ -160,8 +169,13 @@ class AudioContentCommentQueryRepositoryImpl(
         memberId: Long,
         timezone: String,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang?
     ): List<GetAudioContentCommentListItem> {
+        val creatorName = lang?.let { CreatorNameJoin(member, it, "audioReplyWriterName") }
+        val originalName = CaseBuilder().`when`(member.nickname.startsWith("deleted_"))
+            .then(member.nickname.substring(8)).otherwise(member.nickname)
+        val displayName = creatorName?.name?.displayName?.coalesce(originalName) ?: originalName
         val formattedDate = Expressions.stringTemplate(
             "DATE_FORMAT({0}, {1})",
             Expressions.dateTimeTemplate(
@@ -174,12 +188,12 @@ class AudioContentCommentQueryRepositoryImpl(
             "%Y.%m.%d %W %h:%i %p"
         )
 
-        return queryFactory
+        val query = queryFactory
             .select(
                 QGetAudioContentCommentListItem(
                     audioContentComment.id,
                     audioContentComment.member.id,
-                    audioContentComment.member.nickname,
+                    displayName,
                     audioContentComment.member.profileImage.prepend("/").prepend(cloudFrontHost),
                     audioContentComment.comment,
                     audioContentComment.languageCode,
@@ -201,10 +215,8 @@ class AudioContentCommentQueryRepositoryImpl(
             .offset(offset)
             .limit(limit.toLong())
             .orderBy(audioContentComment.createdAt.desc())
-            .fetch()
+        if (creatorName != null) query.leftJoin(creatorName.name).on(creatorName.condition)
-            .map {
+        return query.fetch()
-                it.copy(nickname = it.nickname.removeDeletedNicknamePrefix())
-            }
     }
 
     override fun findPushTokenByContentIdAndCommentParentIdMyMemberId(

src/main/kotlin/kr/co/vividnext/sodalive/content/comment/AudioContentCommentService.kt

@@ -9,10 +9,12 @@ import kr.co.vividnext.sodalive.fcm.FcmDeepLinkValue
 import kr.co.vividnext.sodalive.fcm.FcmEvent
 import kr.co.vividnext.sodalive.fcm.FcmEventType
 import kr.co.vividnext.sodalive.fcm.notification.PushNotificationCategory
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.domain.Pageable
@@ -30,6 +32,7 @@ class AudioContentCommentService(
     private val orderRepository: OrderRepository,
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
 
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
@@ -49,7 +52,9 @@ class AudioContentCommentService(
         val creator = audioContent.member!!
         val isBlocked = isBlockedBetweenMembers(memberId = member.id!!, creatorId = creator.id!!)
         if (isBlocked) {
-            throw SodaException(formatMessage("content.comment.error.blocked_by_creator", creator.nickname))
+            val name = localizedNameService.findLocalizedNames(listOf(creator.id!!), langContext.lang)[creator.id]
+                ?: creator.nickname
+            throw SodaException(formatMessage("content.comment.error.blocked_by_creator", name))
         }
 
         val (isExistsAudioContent, _) = orderRepository.isExistOrderedAndOrderType(
@@ -86,6 +91,7 @@ class AudioContentCommentService(
                 } else {
                     member.nickname
                 },
+                titleMemberId = parent?.member?.id ?: member.id,
                 messageKey = if (parent != null) {
                     "content.comment.notification.reply"
                 } else {
@@ -140,7 +146,8 @@ class AudioContentCommentService(
         audioContentId: Long,
         memberId: Long,
         timezone: String,
-        pageable: Pageable
+        pageable: Pageable,
+        lang: Lang? = null
     ): GetAudioContentCommentListResponse {
         val audioContent = audioContentRepository.findByIdOrNull(id = audioContentId)
             ?: return GetAudioContentCommentListResponse(totalCount = 0, items = listOf())
@@ -157,7 +164,8 @@ class AudioContentCommentService(
             isContentCreator = isContentCreator,
             timezone = timezone,
             offset = pageable.offset,
-            limit = pageable.pageSize
+            limit = pageable.pageSize,
+            lang = lang
         )
         val totalCount = repository.totalCountCommentByContentId(
             contentId = audioContentId,
@@ -172,7 +180,8 @@ class AudioContentCommentService(
         commentId: Long,
         memberId: Long,
         timezone: String,
-        pageable: Pageable
+        pageable: Pageable,
+        lang: Lang? = null
     ): GetAudioContentCommentListResponse {
         val parentComment = repository.findByIdOrNull(id = commentId)
             ?: return GetAudioContentCommentListResponse(totalCount = 0, items = listOf())
@@ -187,7 +196,8 @@ class AudioContentCommentService(
             memberId = memberId,
             timezone = timezone,
             offset = pageable.offset,
-            limit = pageable.pageSize
+            limit = pageable.pageSize,
+            lang = lang
         )
         val totalCount = repository.commentReplyCountByAudioContentCommentId(commentId, memberId)
 

src/main/kotlin/kr/co/vividnext/sodalive/content/order/OrderRepository.kt

@@ -10,7 +10,9 @@ import kr.co.vividnext.sodalive.content.main.QGetAudioContentMainItem
 import kr.co.vividnext.sodalive.content.order.QOrder.order
 import kr.co.vividnext.sodalive.content.playlist.ContentIdAndEndDateData
 import kr.co.vividnext.sodalive.content.playlist.QContentIdAndEndDateData
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
@@ -29,7 +31,8 @@ interface OrderQueryRepository {
         coverImageHost: String,
         memberId: Long,
         offset: Long = 0,
-        limit: Long = 10
+        limit: Long = 10,
+        lang: Lang = Lang.KO
     ): List<GetAudioContentOrderListItem>
 
     fun totalAudioContentOrderListCount(memberId: Long, dateTime: LocalDateTime): Int
@@ -38,12 +41,13 @@ interface OrderQueryRepository {
         coverImageHost: String,
         memberId: Long,
         offset: Long = 0,
-        limit: Long = 20
+        limit: Long = 20,
+        lang: Lang = Lang.KO
     ): List<GetAudioContentMainItem>
 
     fun findOrderedContent(contentIdList: List<Long>, memberId: Long): List<Long>
     fun findEndDateByContentId(contentIdList: List<Long>, memberId: Long): List<ContentIdAndEndDateData>
-    fun findBuyerListByContentId(contentId: Long): List<ContentBuyer>
+    fun findBuyerListByContentId(contentId: Long, lang: Lang = Lang.KO): List<ContentBuyer>
     fun findByMemberIdAndContentId(memberId: Long, contentId: Long, createdAt: LocalDateTime): Order?
 }
 
@@ -134,8 +138,10 @@ class OrderQueryRepositoryImpl(
         coverImageHost: String,
         memberId: Long,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang
     ): List<GetAudioContentOrderListItem> {
+        val creatorName = CreatorNameJoin(member, lang, "orderCreatorName")
         val where = order.member.id.eq(memberId)
             .and(order.isActive.isTrue)
             .and(
@@ -153,7 +159,7 @@ class OrderQueryRepositoryImpl(
                     audioContent.id,
                     audioContent.coverImage.prepend("/").prepend(coverImageHost),
                     audioContent.member.id,
-                    audioContent.member.nickname,
+                    creatorName.displayName,
                     audioContent.title,
                     audioContent.theme.theme,
                     audioContent.duration,
@@ -165,6 +171,8 @@ class OrderQueryRepositoryImpl(
             )
             .from(order)
             .innerJoin(order.audioContent, audioContent)
+            .innerJoin(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(where)
             .offset(offset)
             .limit(limit)
@@ -197,8 +205,10 @@ class OrderQueryRepositoryImpl(
         coverImageHost: String,
         memberId: Long,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang
     ): List<GetAudioContentMainItem> {
+        val creatorName = CreatorNameJoin(member, lang, "mainOrderCreatorName")
         return queryFactory
             .select(
                 QGetAudioContentMainItem(
@@ -209,7 +219,7 @@ class OrderQueryRepositoryImpl(
                     member.profileImage
                         .prepend("/")
                         .prepend(coverImageHost),
-                    member.nickname,
+                    creatorName.displayName,
                     audioContent.price,
                     audioContent.duration,
                     audioContent.isPointAvailable
@@ -218,6 +228,7 @@ class OrderQueryRepositoryImpl(
             .from(order)
             .innerJoin(order.audioContent, audioContent)
             .innerJoin(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 order.member.id.eq(memberId)
                     .and(order.isActive.isTrue)
@@ -266,16 +277,18 @@ class OrderQueryRepositoryImpl(
             .fetch()
     }
 
-    override fun findBuyerListByContentId(contentId: Long): List<ContentBuyer> {
+    override fun findBuyerListByContentId(contentId: Long, lang: Lang): List<ContentBuyer> {
+        val creatorName = CreatorNameJoin(member, lang, "contentBuyerName")
         return queryFactory
             .select(
                 QContentBuyer(
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(imageHost)
                 )
             )
             .from(order)
             .innerJoin(order.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 order.isActive.isTrue,
                 order.audioContent.id.eq(contentId),

src/main/kotlin/kr/co/vividnext/sodalive/content/order/OrderService.kt

@@ -9,6 +9,7 @@ import kr.co.vividnext.sodalive.content.PurchaseOption
 import kr.co.vividnext.sodalive.content.comment.AudioContentCommentRepository
 import kr.co.vividnext.sodalive.content.like.AudioContentLikeRepository
 import kr.co.vividnext.sodalive.content.main.GetAudioContentMainItem
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.point.PointUsageService
 import org.springframework.beans.factory.annotation.Value
@@ -26,6 +27,7 @@ class OrderService(
     private val audioContentCommentQueryRepository: AudioContentCommentRepository,
     private val audioContentLikeQueryRepository: AudioContentLikeRepository,
     private val limitedEditionOrderRepository: LimitedEditionOrderRepository,
+    private val langContext: LangContext,
 
     @Value("\${cloud.aws.cloud-front.host}")
     private val audioContentCoverImageHost: String
@@ -123,7 +125,8 @@ class OrderService(
             coverImageHost = audioContentCoverImageHost,
             memberId = member.id!!,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
             .map {
                 val commentCount = audioContentCommentQueryRepository
@@ -154,7 +157,8 @@ class OrderService(
             coverImageHost = audioContentCoverImageHost,
             memberId = memberId,
             offset = 0,
-            limit = 20
+            limit = 20,
+            lang = langContext.lang
         )
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/content/playlist/AudioContentPlaylistService.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.content.playlist
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.content.AudioContentRepository
 import kr.co.vividnext.sodalive.content.order.OrderRepository
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.live.roulette.RedisIdGenerator
 import kr.co.vividnext.sodalive.member.Member
 import org.springframework.data.repository.findByIdOrNull
@@ -16,7 +17,8 @@ class AudioContentPlaylistService(
     private val idGenerator: RedisIdGenerator,
     private val orderRepository: OrderRepository,
     private val audioContentRepository: AudioContentRepository,
-    private val redisRepository: AudioContentPlaylistRedisRepository
+    private val redisRepository: AudioContentPlaylistRedisRepository,
+    private val langContext: LangContext
 ) {
     fun createPlaylist(request: CreatePlaylistRequest, member: Member) {
         if (request.contentIdAndOrderList.size >= 30) {
@@ -173,7 +175,8 @@ class AudioContentPlaylistService(
         }
 
         val contentList = audioContentRepository.fetchContentForPlaylist(
-            contentIdList = contentIdAndOrderList.map { it.contentId }
+            contentIdList = contentIdAndOrderList.map { it.contentId },
+            lang = langContext.lang
         )
 
         val orderMap = contentIdAndOrderList.sortedBy { it.order }

src/main/kotlin/kr/co/vividnext/sodalive/content/theme/AudioContentThemeService.kt

@@ -112,7 +112,8 @@ class AudioContentThemeService(
             isAdult = memberContentPreferenceService.isAdultVisibleForQuery(member, isAdultContentVisible),
             contentType = contentType,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
 
         return GetContentByThemeResponse(

src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepository.kt

@@ -29,6 +29,7 @@ import kr.co.vividnext.sodalive.live.room.LiveRoom
 import kr.co.vividnext.sodalive.live.room.LiveRoomType
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.live.room.cancel.QLiveRoomCancel.liveRoomCancel
+import kr.co.vividnext.sodalive.live.room.detail.GetRoomDetailUser
 import kr.co.vividnext.sodalive.live.room.visit.QLiveRoomVisit.liveRoomVisit
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.Member
@@ -40,6 +41,8 @@ import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
 import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollowing
 import kr.co.vividnext.sodalive.member.tag.QCreatorTag.creatorTag
 import kr.co.vividnext.sodalive.member.tag.QMemberCreatorTag.memberCreatorTag
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.creatorNameContains
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Repository
 import java.math.BigDecimal
@@ -122,13 +125,16 @@ class ExplorerQueryRepository(
         creatorId: Long,
         limit: Long,
         offset: Long = 0,
-        withDonationCan: Boolean
+        withDonationCan: Boolean,
+        lang: Lang? = null
     ): List<MemberDonationRankingResponse> {
         val member = QMember("user")
+        val creatorName = lang?.let { CreatorNameJoin(member, it, "legacyDonationRankName") }
+        val displayName = creatorName?.displayName ?: member.nickname
 
         val donation = useCan.rewardCan.add(useCan.can).sum()
-        return queryFactory
+        val query = queryFactory
-            .select(member, donation)
+            .select(member, donation, displayName)
             .from(useCanCalculate)
             .innerJoin(useCanCalculate.useCan, useCan)
             .innerJoin(useCan.member, member)
@@ -144,16 +150,17 @@ class ExplorerQueryRepository(
                             .or(useCan.canUsage.eq(CanUsage.LIVE))
                     )
             )
-            .groupBy(useCan.member.id)
+            .groupBy(useCan.member.id, member.id, displayName)
             .orderBy(donation.desc(), member.id.desc())
-            .fetch()
+        if (creatorName != null) query.leftJoin(creatorName.name).on(creatorName.condition)
+        return query.fetch()
             .asSequence()
             .map {
                 val account = it.get(member)!!
                 val donationCan = it.get(donation)!!
                 MemberDonationRankingResponse(
                     account.id!!,
-                    account.nickname,
+                    it.get(displayName)!!,
                     if (account.profileImage != null) {
                         "$cloudFrontHost/${account.profileImage}"
                     } else {
@@ -165,9 +172,12 @@ class ExplorerQueryRepository(
             .toList()
     }
 
-    fun getNewCreators(): List<Member> {
+    fun getNewCreators(lang: Lang = Lang.KO): List<GetExplorerSectionCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "newExplorerCreatorName")
         return queryFactory
-            .selectFrom(member)
+            .select(member, creatorName.displayName)
+            .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.role.eq(MemberRole.CREATOR)
                     .and(member.createdAt.goe(LocalDateTime.now().minusDays(30)))
@@ -176,9 +186,13 @@ class ExplorerQueryRepository(
             .orderBy(Expressions.numberTemplate(Double::class.java, "function('rand')").asc())
             .limit(20)
             .fetch()
+            .map { row ->
+                row.get(member)!!.toExplorerSectionCreator(cloudFrontHost).copy(nickname = row.get(creatorName.displayName)!!)
+            }
     }
 
-    fun findCreatorByGender(gender: Int): List<Member> {
+    fun findCreatorByGender(gender: Int, lang: Lang = Lang.KO): List<GetExplorerSectionCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "genderExplorerCreatorName")
         val today = LocalDate.now()
         val offset = (today.dayOfMonth - 1) % 26
         val characters = ('A'..'Z').map { it.toString() }.plus((0..9).map { it.toString() })
@@ -192,7 +206,9 @@ class ExplorerQueryRepository(
         val randomExpression = Expressions.numberTemplate(Double::class.java, "function('rand')").asc()
 
         return queryFactory
-            .selectFrom(member)
+            .select(member, creatorName.displayName)
+            .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(member.auth, auth)
             .where(
                 member.role.eq(MemberRole.CREATOR)
@@ -204,17 +220,30 @@ class ExplorerQueryRepository(
             .offset(0)
             .limit(10)
             .fetch()
+            .map { row ->
+                row.get(member)!!.toExplorerSectionCreator(cloudFrontHost).copy(nickname = row.get(creatorName.displayName)!!)
+            }
     }
 
-    fun getSearchChannel(channel: String, memberId: Long): List<Member> {
+    fun getSearchChannel(channel: String, memberId: Long, lang: Lang? = null): List<GetRoomDetailUser> {
-        return queryFactory.selectFrom(member)
+        val creatorName = lang?.let { CreatorNameJoin(member, it, "channelSearchCreatorName") }
+        val displayName = creatorName?.displayName ?: member.nickname
+        val query = queryFactory.select(
+            Projections.constructor(
+                GetRoomDetailUser::class.java,
+                member.id,
+                displayName,
+                member.profileImage.coalesce("profile/default-profile.png").prepend("/").prepend(cloudFrontHost)
+            )
+        ).from(member)
             .where(
-                member.nickname.containsIgnoreCase(channel)
+                creatorNameContains(member, channel)
                     .and(member.isActive.isTrue)
                     .and(member.id.ne(memberId))
                     .and(member.role.eq(MemberRole.CREATOR))
             )
-            .fetch()
+        if (creatorName != null) query.leftJoin(creatorName.name).on(creatorName.condition)
+        return query.fetch()
     }
 
     fun getMember(memberId: Long): Member? {
@@ -224,7 +253,8 @@ class ExplorerQueryRepository(
             .fetchFirst()
     }
 
-    fun getSimilarCreatorList(creatorId: Long): List<SimilarCreatorResponse> {
+    fun getSimilarCreatorList(creatorId: Long, lang: Lang = Lang.KO): List<SimilarCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "similarCreatorName")
         val creator = queryFactory
             .selectFrom(member)
             .where(member.id.eq(creatorId))
@@ -242,14 +272,15 @@ class ExplorerQueryRepository(
                 .and(member.tags.size().gt(0))
                 .and(memberCreatorTag.tag.isActive.isTrue)
 
-            return getRandomCreatorList(where = where, limit = 3)
+            return getRandomCreatorList(where = where, limit = 3, lang = lang)
         }
 
         val cnt = memberCreatorTag.member.count()
         val similarCreators = queryFactory
-            .select(member, cnt)
+            .select(member, cnt, creatorName.displayName)
             .from(memberCreatorTag)
             .innerJoin(memberCreatorTag.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(memberCreatorTag.tag, creatorTag)
             .leftJoin(member.auth, auth)
             .where(
@@ -265,7 +296,7 @@ class ExplorerQueryRepository(
                         )
                     )
             )
-            .groupBy(memberCreatorTag.member.id)
+            .groupBy(memberCreatorTag.member.id, member.id, creatorName.name.displayName)
             .orderBy(cnt.desc())
             .limit(3)
             .fetch()
@@ -273,7 +304,7 @@ class ExplorerQueryRepository(
                 val account = it.get(member)!!
                 SimilarCreatorResponse(
                     account.id!!,
-                    account.nickname,
+                    it.get(creatorName.displayName)!!,
                     if (account.profileImage != null) {
                         "$cloudFrontHost/${account.profileImage}"
                     } else {
@@ -298,29 +329,32 @@ class ExplorerQueryRepository(
                 where = where.and(member.id.ne(userId))
             }
 
-            val additionalCreator = getRandomCreatorList(where = where, limit = (3 - similarCreators.size).toLong())
+            val additionalCreator = getRandomCreatorList(where = where, limit = (3 - similarCreators.size).toLong(), lang = lang)
             return similarCreators + additionalCreator
         } else {
             return similarCreators
         }
     }
 
-    private fun getRandomCreatorList(where: Predicate, limit: Long): List<SimilarCreatorResponse> {
+    private fun getRandomCreatorList(where: Predicate, limit: Long, lang: Lang): List<SimilarCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "randomCreatorName")
         val result = queryFactory
-            .select(member)
+            .select(member, creatorName.displayName)
             .from(memberCreatorTag)
             .join(memberCreatorTag.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .innerJoin(memberCreatorTag.tag, creatorTag)
             .leftJoin(member.auth, auth)
-            .groupBy(memberCreatorTag.member.id)
+            .groupBy(memberCreatorTag.member.id, member.id, creatorName.name.displayName)
             .where(where)
             .limit(limit)
             .orderBy(Expressions.numberTemplate(Double::class.java, "function('rand')").asc())
             .fetch()
-            .map {
+            .map { row ->
+                val it = row.get(member)!!
                 SimilarCreatorResponse(
                     it.id!!,
-                    it.nickname,
+                    row.get(creatorName.displayName)!!,
                     if (it.profileImage != null) {
                         "$cloudFrontHost/${it.profileImage}"
                     } else {
@@ -474,7 +508,13 @@ class ExplorerQueryRepository(
             .fetchFirst() ?: ""
     }
 
-    fun getCheersList(creatorId: Long, memberId: Long, timezone: String, offset: Long, limit: Long): GetCheersResponse {
+    fun getCheersList(
+        creatorId: Long,
+        memberId: Long,
+        timezone: String,
+        offset: Long,
+        limit: Long
+    ): GetCheersResponse {
         val cheersDatePattern = messageSource
             .getMessage("explorer.date.cheers.format", langContext.lang)
             ?: messageSource.getMessage("explorer.date.cheers.format", Lang.KO).orEmpty()
@@ -671,8 +711,10 @@ class ExplorerQueryRepository(
     fun getFollowerList(
         creatorId: Long,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang = Lang.KO
     ): List<GetFollowerListDto> {
+        val creatorName = CreatorNameJoin(member, lang, "followerMemberName")
         val blockMemberCondition = blockMember.member.id.eq(creatorId)
             .and(blockMember.isActive.isTrue)
             .and(blockMember.blockedMember.id.eq(member.id))
@@ -682,12 +724,13 @@ class ExplorerQueryRepository(
                 QGetFollowerListDto(
                     member.id,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
-                    member.nickname,
+                    creatorName.displayName,
                     member.role
                 )
             )
             .from(creatorFollowing)
             .innerJoin(creatorFollowing.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(blockMember).on(blockMemberCondition)
             .where(
                 member.isActive.isTrue
@@ -805,12 +848,17 @@ class ExplorerQueryRepository(
             .fetchFirst()
     }
 
-    fun getCreatorRankings(): List<Member> {
+    fun getCreatorRankings(lang: Lang = Lang.KO): List<GetExplorerSectionCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "explorerRankCreatorName")
         return queryFactory
-            .select(member)
+            .select(member, creatorName.displayName)
             .from(creatorRanking)
             .innerJoin(creatorRanking.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .orderBy(creatorRanking.ranking.asc())
             .fetch()
+            .map { row ->
+                row.get(member)!!.toExplorerSectionCreator(cloudFrontHost).copy(nickname = row.get(creatorName.displayName)!!)
+            }
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt

@@ -32,6 +32,7 @@ import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.MemberService
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.v2.api.creator.channel.fantalk.dto.CreatorChannelFanTalkResponse
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.domain.Pageable
@@ -65,15 +66,15 @@ class ExplorerService(
 
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
 
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) {
     fun getCreatorRank(memberId: Long): GetExplorerSectionResponse {
         val creatorRankings = queryRepository
-            .getCreatorRankings()
+            .getCreatorRankings(langContext.lang)
             .filter { !isBlockedBetweenMembers(memberId = memberId, otherMemberId = it.id!!) }
-            .map { it.toExplorerSectionCreator(cloudFrontHost) }
 
         val currentDateTime = LocalDateTime.now()
         val lastMonday = currentDateTime
@@ -107,9 +108,8 @@ class ExplorerService(
 
         // 인기 크리에이터
         val creatorRankings = queryRepository
-            .getCreatorRankings()
+            .getCreatorRankings(langContext.lang)
             .filter { !isBlockedBetweenMembers(memberId = member.id!!, otherMemberId = it.id!!) }
-            .map { it.toExplorerSectionCreator(cloudFrontHost) }
 
         val currentDateTime = LocalDateTime.now()
         val lastMonday = currentDateTime
@@ -140,9 +140,8 @@ class ExplorerService(
 
         // 새로 시작 (newCreators)
         val newCreators = queryRepository
-            .getNewCreators()
+            .getNewCreators(langContext.lang)
             .filter { !isBlockedBetweenMembers(memberId = member.id!!, otherMemberId = it.id!!) }
-            .map { it.toExplorerSectionCreator(cloudFrontHost) }
 
         val newCreatorsSection = GetExplorerSectionResponse(
             title = messageSource.getMessage("explorer.section.new_creators.title", langContext.lang).orEmpty(),
@@ -159,9 +158,8 @@ class ExplorerService(
                 .orEmpty(),
             color = "39abde",
             creators = queryRepository
-                .findCreatorByGender(1)
+                .findCreatorByGender(1, langContext.lang)
                 .filter { !isBlockedBetweenMembers(memberId = member.id!!, otherMemberId = it.id!!) }
-                .map { it.toExplorerSectionCreator(cloudFrontHost) }
         )
 
         val femaleCreatorSection = GetExplorerSectionResponse(
@@ -170,9 +168,8 @@ class ExplorerService(
                 .orEmpty(),
             color = "ffa517",
             creators = queryRepository
-                .findCreatorByGender(0)
+                .findCreatorByGender(0, langContext.lang)
                 .filter { !isBlockedBetweenMembers(memberId = member.id!!, otherMemberId = it.id!!) }
-                .map { it.toExplorerSectionCreator(cloudFrontHost) }
         )
 
         val randomInt = Random.nextInt(0, 2)
@@ -192,22 +189,23 @@ class ExplorerService(
             throw SodaException(messageKey = "explorer.search.channel.min_length")
         }
 
-        return queryRepository.getSearchChannel(channel, member.id!!)
+        return queryRepository.getSearchChannel(channel, member.id!!, langContext.lang)
             .asSequence()
             .filter { !isBlockedBetweenMembers(memberId = member.id!!, otherMemberId = it.id!!) }
-            .map { GetRoomDetailUser(it, cloudFrontHost) }
             .toList()
     }
 
     fun getCreatorDetail(creatorId: Long, memberId: Long): GetCreatorDetailResponse {
         val creatorAccount = queryRepository.getMember(creatorId)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
+        val creatorName = localizedNameService.findLocalizedNames(listOf(creatorId), langContext.lang)[creatorId]
+            ?: creatorAccount.nickname
 
         if (isBlockedBetweenMembers(memberId = memberId, otherMemberId = creatorId)) {
             val messageTemplate = messageSource
                 .getMessage("explorer.creator.blocked_access", langContext.lang)
                 .orEmpty()
-            throw SodaException(message = String.format(messageTemplate, creatorAccount.nickname))
+            throw SodaException(message = String.format(messageTemplate, creatorName))
         }
 
         if (creatorAccount.role != MemberRole.CREATOR) {
@@ -239,7 +237,7 @@ class ExplorerService(
         }
 
         return GetCreatorDetailResponse(
-            nickname = creatorAccount.nickname,
+            nickname = creatorName,
             profileImageUrl = if (creatorAccount.profileImage != null) {
                 "$cloudFrontHost/${creatorAccount.profileImage}"
             } else {
@@ -266,6 +264,8 @@ class ExplorerService(
         // 크리에이터(유저) 정보
         val creatorAccount = queryRepository.getMember(creatorId)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
+        val creatorName = localizedNameService.findLocalizedNames(listOf(creatorId), langContext.lang)[creatorId]
+            ?: creatorAccount.nickname
 
         // 차단된 사용자 체크
         val isBlockedByCreator = memberService.isBlocked(blockedMemberId = member.id!!, memberId = creatorId)
@@ -274,7 +274,7 @@ class ExplorerService(
             val messageTemplate = messageSource
                 .getMessage("explorer.creator.blocked_access", langContext.lang)
                 .orEmpty()
-            throw SodaException(message = String.format(messageTemplate, creatorAccount.nickname))
+            throw SodaException(message = String.format(messageTemplate, creatorName))
         }
 
         val isCreator = creatorAccount.role == MemberRole.CREATOR
@@ -300,7 +300,7 @@ class ExplorerService(
 
         // 추천 크리에이터
         val similarCreatorList = if (isCreator) {
-            queryRepository.getSimilarCreatorList(creatorId)
+            queryRepository.getSimilarCreatorList(creatorId, langContext.lang)
         } else {
             listOf()
         }
@@ -437,7 +437,7 @@ class ExplorerService(
                 } else {
                     "$cloudFrontHost/profile/default-profile.png"
                 },
-                nickname = creatorAccount.nickname,
+                nickname = creatorName,
                 tags = creatorAccount.tags.asSequence().filter { it.tag.isActive }.map { it.tag.tag }.toList(),
                 introduce = creatorAccount.introduce,
                 instagramUrl = creatorAccount.instagramUrl,
@@ -450,9 +450,9 @@ class ExplorerService(
                 isNotification = creatorFollowing?.isFollow ?: false,
                 notificationRecipientCount = notificationRecipientCount
             ),
-            userDonationRanking = memberDonationRanking,
+            userDonationRanking = renderDonationRanking(memberDonationRanking),
             similarCreatorList = similarCreatorList,
-            liveRoomList = liveRoomList,
+            liveRoomList = liveRoomList.map { it.copy(managerNickname = creatorName) },
             contentList = translatedContentList,
             latestContent = latestContent,
             totalContentCount = totalContentCount,
@@ -537,7 +537,7 @@ class ExplorerService(
                 null
             },
             totalCount = donationMemberTotal,
-            userDonationRanking = donationRanking
+            userDonationRanking = renderDonationRanking(donationRanking)
         )
     }
 
@@ -548,7 +548,12 @@ class ExplorerService(
     ): GetFollowerListResponse {
         val totalCount = queryRepository.getFollowerListTotalCount(creatorId)
 
-        val followerList = queryRepository.getFollowerList(creatorId, pageable.offset, pageable.pageSize.toLong())
+        val followerList = queryRepository.getFollowerList(
+            creatorId,
+            pageable.offset,
+            pageable.pageSize.toLong(),
+            langContext.lang
+        )
             .map {
                 val creatorFollowing = if (it.role == MemberRole.CREATOR) {
                     queryRepository.getCreatorFollowing(
@@ -684,6 +689,7 @@ class ExplorerService(
                 type = FcmEventType.CHANGE_NOTICE,
                 category = PushNotificationCategory.COMMUNITY,
                 title = member.nickname,
+                titleMemberId = member.id,
                 messageKey = "explorer.notice.fcm.message",
                 senderMemberId = member.id,
                 creatorId = member.id!!,
@@ -693,6 +699,11 @@ class ExplorerService(
         )
     }
 
+    private fun renderDonationRanking(items: List<MemberDonationRankingResponse>): List<MemberDonationRankingResponse> {
+        val names = localizedNameService.findCurrentNames(items.map { it.userId }, langContext.lang)
+        return items.map { it.copy(nickname = names[it.userId] ?: it.nickname) }
+    }
+
     private fun isBlockedBetweenMembers(memberId: Long, otherMemberId: Long): Boolean {
         return memberService.isBlocked(blockedMemberId = memberId, memberId = otherMemberId) ||
             memberService.isBlocked(blockedMemberId = otherMemberId, memberId = memberId)

src/main/kotlin/kr/co/vividnext/sodalive/explorer/profile/channelDonation/ChannelDonationMessageRepository.kt

@@ -1,7 +1,11 @@
 package kr.co.vividnext.sodalive.explorer.profile.channelDonation
 
+import com.querydsl.core.types.dsl.CaseBuilder
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.explorer.profile.channelDonation.QChannelDonationMessage.channelDonationMessage
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -18,8 +22,9 @@ interface ChannelDonationMessageQueryRepository {
         offset: Long,
         limit: Long,
         startDateTime: LocalDateTime,
-        endDateTime: LocalDateTime
+        endDateTime: LocalDateTime,
-    ): List<ChannelDonationMessage>
+        lang: Lang = Lang.KO
+    ): List<Pair<ChannelDonationMessage, String>>
 
     fun getChannelDonationMessageTotalCount(
         creatorId: Long,
@@ -40,8 +45,13 @@ class ChannelDonationMessageQueryRepositoryImpl(
         offset: Long,
         limit: Long,
         startDateTime: LocalDateTime,
-        endDateTime: LocalDateTime
+        endDateTime: LocalDateTime,
-    ): List<ChannelDonationMessage> {
+        lang: Lang
+    ): List<Pair<ChannelDonationMessage, String>> {
+        val creatorName = CreatorNameJoin(member, lang, "channelDonorName")
+        val originalName = CaseBuilder().`when`(member.nickname.startsWith("deleted_"))
+            .then(member.nickname.substring(8)).otherwise(member.nickname)
+        val displayName = creatorName.name.displayName.coalesce(originalName)
         val where = whereCondition(
             creatorId = creatorId,
             memberId = memberId,
@@ -51,8 +61,10 @@ class ChannelDonationMessageQueryRepositoryImpl(
         )
 
         return queryFactory
-            .selectFrom(channelDonationMessage)
+            .select(channelDonationMessage, displayName)
-            .leftJoin(channelDonationMessage.member).fetchJoin()
+            .from(channelDonationMessage)
+            .leftJoin(channelDonationMessage.member, member).fetchJoin()
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(where)
             .offset(offset)
             .limit(limit)
@@ -61,6 +73,7 @@ class ChannelDonationMessageQueryRepositoryImpl(
                 channelDonationMessage.id.desc()
             )
             .fetch()
+            .map { row -> row.get(channelDonationMessage)!! to row.get(displayName)!! }
     }
 
     override fun getChannelDonationMessageTotalCount(

src/main/kotlin/kr/co/vividnext/sodalive/explorer/profile/channelDonation/ChannelDonationService.kt

@@ -3,7 +3,6 @@ package kr.co.vividnext.sodalive.explorer.profile.channelDonation
 import kr.co.vividnext.sodalive.can.payment.CanPaymentService
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.common.SodaException
-import kr.co.vividnext.sodalive.extensions.removeDeletedNicknamePrefix
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
@@ -99,12 +98,13 @@ class ChannelDonationService(
             offset = offset,
             limit = limit,
             startDateTime = startDateTime,
-            endDateTime = endDateTime
+            endDateTime = endDateTime,
-        ).map {
+            lang = langContext.lang
+        ).map { (it, nickname) ->
             GetChannelDonationListItem(
                 id = it.id!!,
                 memberId = it.member!!.id!!,
-                nickname = it.member!!.nickname.removeDeletedNicknamePrefix(),
+                nickname = nickname,
                 profileUrl = if (it.member!!.profileImage != null) {
                     "$cloudFrontHost/${it.member!!.profileImage}"
                 } else {

src/main/kotlin/kr/co/vividnext/sodalive/explorer/profile/creatorCommunity/CreatorCommunityService.kt

@@ -140,6 +140,7 @@ class CreatorCommunityService(
                 type = FcmEventType.CHANGE_NOTICE,
                 category = PushNotificationCategory.COMMUNITY,
                 title = member.nickname,
+                titleMemberId = member.id,
                 messageKey = "creator.community.fcm.new_post",
                 senderMemberId = member.id,
                 creatorId = member.id!!,
@@ -533,6 +534,7 @@ class CreatorCommunityService(
                     type = FcmEventType.INDIVIDUAL,
                     category = PushNotificationCategory.COMMUNITY,
                     title = member.nickname,
+                    titleMemberId = member.id,
                     messageKey = "creator.community.fcm.new_comment",
                     senderMemberId = member.id,
                     recipients = listOf(creatorId),

src/main/kotlin/kr/co/vividnext/sodalive/live/recommend/LiveRecommendRepository.kt

@@ -10,6 +10,7 @@ import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
 import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollowing
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -70,8 +71,10 @@ class LiveRecommendRepository(
     fun getOnAirRecommendChannelList(
         isBlocked: (Long) -> Boolean,
         isCreator: Boolean,
-        isAdult: Boolean
+        isAdult: Boolean,
+        lang: Lang
     ): List<GetRecommendChannelResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "onAirRecommendedCreatorName")
         var where = member.role.eq(MemberRole.CREATOR)
             .and(member.isActive.isTrue)
 
@@ -88,20 +91,21 @@ class LiveRecommendRepository(
                 Projections.constructor(
                     GetRecommendChannelResponse::class.java,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     Expressions.asBoolean(true)
                 )
             )
             .from(liveRoom)
             .rightJoin(liveRoom.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 where
                     .and(liveRoom.isActive.isTrue)
                     .and(liveRoom.channelName.isNotNull)
                     .and(liveRoom.channelName.isNotEmpty)
             )
-            .groupBy(member.id)
+            .groupBy(member.id, member.nickname, member.profileImage, creatorName.name.displayName)
             .orderBy(Expressions.numberTemplate(Double::class.java, "function('rand')").asc())
             .limit(20)
             .fetch()
@@ -113,8 +117,10 @@ class LiveRecommendRepository(
     fun getRecommendChannelList(
         withOutCreatorList: List<Long>,
         limit: Long,
-        isBlocked: (Long) -> Boolean
+        isBlocked: (Long) -> Boolean,
+        lang: Lang
     ): List<GetRecommendChannelResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "recommendedCreatorName")
         val where = member.role.eq(MemberRole.CREATOR)
             .and(member.isActive.isTrue)
 
@@ -123,12 +129,13 @@ class LiveRecommendRepository(
                 Projections.constructor(
                     GetRecommendChannelResponse::class.java,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     Expressions.asBoolean(false)
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(where.and(member.id.notIn(withOutCreatorList)))
             .orderBy(Expressions.numberTemplate(Double::class.java, "function('rand')").asc())
             .limit(limit)
@@ -140,8 +147,10 @@ class LiveRecommendRepository(
         memberId: Long,
         isBlocked: (Long) -> Boolean,
         isCreator: Boolean,
-        isAdult: Boolean
+        isAdult: Boolean,
+        lang: Lang
     ): List<GetRecommendChannelResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "onAirFollowingCreatorName")
         var where = member.role.eq(MemberRole.CREATOR)
             .and(member.isActive.isTrue)
 
@@ -158,7 +167,7 @@ class LiveRecommendRepository(
                 Projections.constructor(
                     GetRecommendChannelResponse::class.java,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     Expressions.asBoolean(true)
                 )
@@ -166,6 +175,7 @@ class LiveRecommendRepository(
             .from(liveRoom, creatorFollowing)
             .rightJoin(liveRoom.member, member)
             .innerJoin(creatorFollowing.creator, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 where
                     .and(liveRoom.member.id.eq(creatorFollowing.creator.id))
@@ -175,7 +185,7 @@ class LiveRecommendRepository(
                     .and(liveRoom.channelName.isNotNull)
                     .and(liveRoom.channelName.isNotEmpty)
             )
-            .groupBy(member.id)
+            .groupBy(member.id, member.nickname, member.profileImage, creatorName.name.displayName)
             .orderBy(Expressions.numberTemplate(Double::class.java, "function('rand')").asc())
             .limit(20)
             .fetch()
@@ -188,8 +198,10 @@ class LiveRecommendRepository(
         memberId: Long,
         withOutCreatorList: List<Long>,
         limit: Long,
-        isBlocked: (Long) -> Boolean
+        isBlocked: (Long) -> Boolean,
+        lang: Lang
     ): List<GetRecommendChannelResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "followingCreatorName")
         val where = member.role.eq(MemberRole.CREATOR)
             .and(member.isActive.isTrue)
 
@@ -198,13 +210,14 @@ class LiveRecommendRepository(
                 Projections.constructor(
                     GetRecommendChannelResponse::class.java,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     Expressions.asBoolean(false)
                 )
             )
             .from(creatorFollowing)
             .innerJoin(creatorFollowing.creator, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 where
                     .and(member.id.notIn(withOutCreatorList))
@@ -244,8 +257,10 @@ class LiveRecommendRepository(
         memberId: Long,
         offset: Long,
         limit: Long,
-        isBlocked: (Long) -> Boolean
+        isBlocked: (Long) -> Boolean,
+        lang: Lang
     ): List<GetCreatorFollowingAllListItem> {
+        val creatorName = CreatorNameJoin(member, lang, "allFollowingCreatorName")
         val where = member.role.eq(MemberRole.CREATOR)
             .and(member.isActive.isTrue)
             .and(creatorFollowing.isActive.isTrue)
@@ -256,7 +271,7 @@ class LiveRecommendRepository(
             .select(
                 QGetCreatorFollowingAllListItem(
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     Expressions.asBoolean(true),
                     creatorFollowing.isNotify
@@ -264,10 +279,12 @@ class LiveRecommendRepository(
             )
             .from(creatorFollowing)
             .innerJoin(creatorFollowing.creator, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(where)
             .groupBy(
                 member.id,
                 member.nickname,
+                creatorName.name.displayName,
                 member.profileImage,
                 creatorFollowing.isNotify
             )

src/main/kotlin/kr/co/vividnext/sodalive/live/recommend/LiveRecommendService.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.live.recommend
 
 import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
@@ -13,7 +14,8 @@ class LiveRecommendService(
     private val repository: LiveRecommendRepository,
     private val blockMemberRepository: BlockMemberRepository,
     private val memberContentPreferenceService: MemberContentPreferenceService,
-    private val liveRecommendCacheService: LiveRecommendCacheService
+    private val liveRecommendCacheService: LiveRecommendCacheService,
+    private val langContext: LangContext
 ) {
     fun getRecommendLive(member: Member?, lang: Lang): List<GetRecommendLiveResponse> {
         val isAdult = if (member != null) {
@@ -45,7 +47,8 @@ class LiveRecommendService(
                 }
             },
             isCreator = member?.role == MemberRole.CREATOR,
-            isAdult = isAdult
+            isAdult = isAdult,
+            lang = langContext.lang
         )
 
         if (onAirChannelList.size >= 20) {
@@ -63,7 +66,8 @@ class LiveRecommendService(
                 } else {
                     false
                 }
-            }
+            },
+            lang = langContext.lang
         )
 
         return onAirChannelList + notOnAirCreatorList
@@ -76,7 +80,8 @@ class LiveRecommendService(
             memberId = member.id!!,
             isBlocked = { isBlockedBetweenMembers(memberId = member.id!!, creatorId = it) },
             isCreator = member.role == MemberRole.CREATOR,
-            isAdult = isAdult
+            isAdult = isAdult,
+            lang = langContext.lang
         )
 
         if (onAirFollowingChannelList.size >= 20) {
@@ -89,7 +94,8 @@ class LiveRecommendService(
             memberId = member.id!!,
             withOutCreatorList = onAirCreatorIdList,
             limit = (20 - onAirCreatorIdList.size).toLong(),
-            isBlocked = { isBlockedBetweenMembers(memberId = member.id!!, creatorId = it) }
+            isBlocked = { isBlockedBetweenMembers(memberId = member.id!!, creatorId = it) },
+            lang = langContext.lang
         )
 
         return onAirFollowingChannelList + notOnAirFollowingChannelList
@@ -105,7 +111,8 @@ class LiveRecommendService(
             memberId = member.id!!,
             offset = pageable.offset,
             limit = pageable.pageSize.toLong(),
-            isBlocked = { isBlockedBetweenMembers(memberId = member.id!!, creatorId = it) }
+            isBlocked = { isBlockedBetweenMembers(memberId = member.id!!, creatorId = it) },
+            lang = langContext.lang
         )
 
         return GetCreatorFollowingAllListResponse(

src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationListRow.kt

@@ -0,0 +1,13 @@
+package kr.co.vividnext.sodalive.live.reservation
+
+import java.time.LocalDateTime
+
+data class LiveReservationListRow(
+    val id: Long,
+    val roomId: Long,
+    val title: String,
+    val coverImage: String?,
+    val price: Int,
+    val masterNickname: String,
+    val beginDateTime: LocalDateTime
+)

src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationRepository.kt

@@ -1,10 +1,17 @@
 package kr.co.vividnext.sodalive.live.reservation
 
+import com.querydsl.core.types.Projections
+import com.querydsl.jpa.impl.JPAQuery
 import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.reservation.QLiveReservation.liveReservation
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
+import kr.co.vividnext.sodalive.live.room.detail.GetRoomDetailUser
 import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.QMember
 import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 
@@ -12,29 +19,45 @@ import org.springframework.stereotype.Repository
 interface LiveReservationRepository : JpaRepository<LiveReservation, Long>, LiveReservationQueryRepository
 
 interface LiveReservationQueryRepository {
-    fun getReservationList(roomId: Long): List<LiveReservation>
+    fun getReservationList(roomId: Long, lang: Lang): List<GetRoomDetailUser>
 
     fun cancelReservation(roomId: Long)
 
     fun getReservationBookerList(roomId: Long): List<Member>
 
     fun isExistsReservation(roomId: Long, memberId: Long): Boolean
-    fun getReservationListByMemberId(memberId: Long, active: Boolean): List<LiveReservation>
+    fun getReservationListByMemberId(memberId: Long, active: Boolean, lang: Lang): List<LiveReservationListRow>
 
     fun getReservationByReservationAndMemberId(
         reservationId: Long,
-        memberId: Long
+        memberId: Long,
-    ): LiveReservation?
+        lang: Lang
+    ): LiveReservationListRow?
 
     fun getReservationCount(memberId: Long): Int
 }
 
 @Repository
-class LiveReservationQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : LiveReservationQueryRepository {
+class LiveReservationQueryRepositoryImpl(
-    override fun getReservationList(roomId: Long): List<LiveReservation> {
+    private val queryFactory: JPAQueryFactory,
+    @Value("\${cloud.aws.cloud-front.host}")
+    private val cloudFrontHost: String
+) : LiveReservationQueryRepository {
+    override fun getReservationList(roomId: Long, lang: Lang): List<GetRoomDetailUser> {
+        val bookerName = CreatorNameJoin(member, lang, "liveReservationBookerName")
         return queryFactory
-            .selectFrom(liveReservation)
+            .select(
+                Projections.constructor(
+                    GetRoomDetailUser::class.java,
+                    member.id,
+                    bookerName.displayName,
+                    member.profileImage.coalesce("profile/default-profile.png").prepend("/").prepend(cloudFrontHost)
+                )
+            )
+            .from(liveReservation)
             .innerJoin(liveReservation.room, liveRoom)
+            .innerJoin(liveReservation.member, member)
+            .leftJoin(bookerName.name).on(bookerName.condition)
             .where(
                 liveRoom.id.eq(roomId)
                     .and(liveReservation.isActive.isTrue)
@@ -76,11 +99,8 @@ class LiveReservationQueryRepositoryImpl(private val queryFactory: JPAQueryFacto
             .fetchFirst() != null
     }
 
-    override fun getReservationListByMemberId(memberId: Long, active: Boolean): List<LiveReservation> {
+    override fun getReservationListByMemberId(memberId: Long, active: Boolean, lang: Lang): List<LiveReservationListRow> {
-        return queryFactory
+        return reservationRows(lang)
-            .selectFrom(liveReservation)
-            .innerJoin(liveReservation.member, member)
-            .innerJoin(liveReservation.room, liveRoom)
             .where(
                 liveRoom.isActive.isTrue
                     .and(liveReservation.isActive.eq(active))
@@ -89,11 +109,12 @@ class LiveReservationQueryRepositoryImpl(private val queryFactory: JPAQueryFacto
             .fetch()
     }
 
-    override fun getReservationByReservationAndMemberId(reservationId: Long, memberId: Long): LiveReservation? {
+    override fun getReservationByReservationAndMemberId(
-        return queryFactory
+        reservationId: Long,
-            .selectFrom(liveReservation)
+        memberId: Long,
-            .innerJoin(liveReservation.member, member)
+        lang: Lang
-            .innerJoin(liveReservation.room, liveRoom)
+    ): LiveReservationListRow? {
+        return reservationRows(lang)
             .where(
                 liveReservation.id.eq(reservationId)
                     .and(member.id.eq(memberId))
@@ -101,6 +122,29 @@ class LiveReservationQueryRepositoryImpl(private val queryFactory: JPAQueryFacto
             .fetchFirst()
     }
 
+    private fun reservationRows(lang: Lang): JPAQuery<LiveReservationListRow> {
+        val owner = QMember("reservationRoomOwner")
+        val ownerName = CreatorNameJoin(owner, lang, "reservationRoomOwnerName")
+        return queryFactory
+            .select(
+                Projections.constructor(
+                    LiveReservationListRow::class.java,
+                    liveReservation.id,
+                    liveRoom.id,
+                    liveRoom.title,
+                    liveRoom.coverImage,
+                    liveRoom.price,
+                    ownerName.displayName,
+                    liveRoom.beginDateTime
+                )
+            )
+            .from(liveReservation)
+            .innerJoin(liveReservation.member, member)
+            .innerJoin(liveReservation.room, liveRoom)
+            .innerJoin(liveRoom.member, owner)
+            .leftJoin(ownerName.name).on(ownerName.condition)
+    }
+
     override fun getReservationCount(memberId: Long): Int {
         return queryFactory
             .selectFrom(liveReservation)

src/main/kotlin/kr/co/vividnext/sodalive/live/reservation/LiveReservationService.kt

@@ -8,6 +8,7 @@ import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.live.room.LiveRoomRepository
 import kr.co.vividnext.sodalive.live.room.LiveRoomType
 import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
@@ -25,6 +26,7 @@ class LiveReservationService(
     private val liveReservationCancelRepository: LiveReservationCancelRepository,
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
 
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
@@ -78,10 +80,11 @@ class LiveReservationService(
             "live.reservation.datetime_format",
             langContext.lang
         ).orEmpty()
+        val names = localizedNameService.findLocalizedNames(listOf(room.member!!.id!!), langContext.lang)
 
         return MakeLiveReservationResponse(
             reservationId = reservation.id!!,
-            nickname = room.member!!.nickname,
+            nickname = names[room.member!!.id] ?: room.member!!.nickname,
             title = room.title,
             beginDateString = beginDateTime.format(DateTimeFormatter.ofPattern(reservationDateFormat)),
             beginDateTimeUtc = room.beginDateTime
@@ -98,34 +101,35 @@ class LiveReservationService(
         )
     }
 
+    @Transactional(readOnly = true)
     fun getReservationList(memberId: Long, active: Boolean, timezone: String): List<GetLiveReservationResponse> {
         val detailDateFormat = messageSource.getMessage(
             "live.room.datetime_format_detail",
             langContext.lang
         ).orEmpty()
-        return repository
+        val reservations = repository.getReservationListByMemberId(memberId, active, langContext.lang)
-            .getReservationListByMemberId(memberId, active)
+        return reservations
             .asSequence()
             .map {
-                val beginDateTime = it.room!!.beginDateTime
+                val beginDateTime = it.beginDateTime
                     .atZone(ZoneId.of("UTC"))
                     .withZoneSameInstant(ZoneId.of(timezone))
 
                 GetLiveReservationResponse(
-                    reservationId = it.id!!,
+                    reservationId = it.id,
-                    roomId = it.room!!.id!!,
+                    roomId = it.roomId,
-                    title = it.room!!.title,
+                    title = it.title,
-                    coverImageUrl = if (it.room!!.coverImage != null) {
+                    coverImageUrl = if (it.coverImage != null) {
-                        "$cloudFrontHost/${it.room!!.coverImage}"
+                        "$cloudFrontHost/${it.coverImage}"
                     } else {
                         "$cloudFrontHost/profile/default-profile.png"
                     },
-                    price = it.room!!.price,
+                    price = it.price,
-                    masterNickname = it.room!!.member!!.nickname,
+                    masterNickname = it.masterNickname,
                     beginDateTime = beginDateTime.format(
                         DateTimeFormatter.ofPattern(detailDateFormat)
                     ),
-                    beginDateTimeUtc = it.room!!.beginDateTime
+                    beginDateTimeUtc = it.beginDateTime
                         .atZone(ZoneId.of("UTC"))
                         .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
                     cancelable = beginDateTime.minusHours(4).isAfter(
@@ -138,33 +142,34 @@ class LiveReservationService(
             .toList()
     }
 
+    @Transactional(readOnly = true)
     fun getReservation(reservationId: Long, memberId: Long, timezone: String): GetLiveReservationResponse {
-        val reservation = repository.getReservationByReservationAndMemberId(reservationId, memberId)
+        val reservation = repository.getReservationByReservationAndMemberId(reservationId, memberId, langContext.lang)
             ?: throw SodaException(messageKey = "live.reservation.invalid_reservation")
 
         val detailDateFormat = messageSource.getMessage(
             "live.room.datetime_format_detail",
             langContext.lang
         ).orEmpty()
-        val beginDateTime = reservation.room!!.beginDateTime
+        val beginDateTime = reservation.beginDateTime
             .atZone(ZoneId.of("UTC"))
             .withZoneSameInstant(ZoneId.of(timezone))
 
         return GetLiveReservationResponse(
-            reservationId = reservation.id!!,
+            reservationId = reservation.id,
-            roomId = reservation.room!!.id!!,
+            roomId = reservation.roomId,
-            title = reservation.room!!.title,
+            title = reservation.title,
-            coverImageUrl = if (reservation.room!!.coverImage != null) {
+            coverImageUrl = if (reservation.coverImage != null) {
-                "$cloudFrontHost/${reservation.room!!.coverImage}"
+                "$cloudFrontHost/${reservation.coverImage}"
             } else {
                 "$cloudFrontHost/profile/default-profile.png"
             },
-            price = reservation.room!!.price,
+            price = reservation.price,
-            masterNickname = reservation.room!!.member!!.nickname,
+            masterNickname = reservation.masterNickname,
             beginDateTime = beginDateTime.format(
                 DateTimeFormatter.ofPattern(detailDateFormat)
             ),
-            beginDateTimeUtc = reservation.room!!.beginDateTime
+            beginDateTimeUtc = reservation.beginDateTime
                 .atZone(ZoneId.of("UTC"))
                 .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
             cancelable = beginDateTime.minusHours(4).isAfter(

src/main/kotlin/kr/co/vividnext/sodalive/live/room/GetLiveRoomUserProfileResponse.kt

@@ -1,5 +1,7 @@
 package kr.co.vividnext.sodalive.live.room
 
+import kr.co.vividnext.sodalive.member.Member
+
 data class GetLiveRoomUserProfileResponse(
     val userId: Long,
     val nickname: String,
@@ -19,3 +21,5 @@ data class GetLiveRoomUserProfileResponse(
     val isFollowing: Boolean?,
     val isBlock: Boolean
 )
+
+data class LiveRoomUserProfileRow(val member: Member, val nickname: String)

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomListRow.kt

@@ -0,0 +1,3 @@
+package kr.co.vividnext.sodalive.live.room
+
+data class LiveRoomListRow(val room: LiveRoom, val creatorNickname: String)

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomRepository.kt

@@ -8,17 +8,19 @@ import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.can.use.QUseCan.useCan
 import kr.co.vividnext.sodalive.can.use.QUseCanCalculate.useCanCalculate
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.live.room.QQuarterLiveRankings.quarterLiveRankings
 import kr.co.vividnext.sodalive.live.room.donation.GetLiveRoomDonationItem
 import kr.co.vividnext.sodalive.live.room.donation.QGetLiveRoomDonationItem
 import kr.co.vividnext.sodalive.live.room.like.GetLiveRoomHeartListItem
-import kr.co.vividnext.sodalive.live.room.like.QGetLiveRoomHeartListItem
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
+import org.springframework.cache.annotation.Cacheable
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -35,8 +37,9 @@ interface LiveRoomQueryRepository {
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom>
+        lang: Lang
+    ): List<LiveRoomListRow>
 
     fun getLiveRoomListReservationWithDate(
         date: LocalDateTime,
@@ -45,30 +48,40 @@ interface LiveRoomQueryRepository {
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom>
+        lang: Lang
+    ): List<LiveRoomListRow>
 
     fun getLiveRoomListReservationWithoutDate(
         timezone: String,
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom>
+        lang: Lang
+    ): List<LiveRoomListRow>
 
     fun getLiveRoom(id: Long): LiveRoom?
+    fun getLiveRoomDetail(id: Long, lang: Lang): LiveRoomListRow?
+    fun getLiveRoomUserProfile(userId: Long, lang: Lang): LiveRoomUserProfileRow?
     fun getLiveRoomAndAccountId(roomId: Long, memberId: Long): LiveRoom?
     fun getRecentRoomInfo(memberId: Long): GetRecentRoomInfoResponse?
     fun getDonationTotal(roomId: Long): Int?
-    fun getDonationList(roomId: Long, isLiveCreator: Boolean, memberId: Long): List<GetLiveRoomDonationItem>
+    fun getDonationList(roomId: Long, isLiveCreator: Boolean, memberId: Long, lang: Lang): List<GetLiveRoomDonationItem>
     fun getRoomActiveAndChannelNameIsNotNull(memberId: Long): List<LiveRoom>
     fun getActiveRoomIdList(memberId: Long): Int
     fun getTotalHeartCount(roomId: Long): Int?
     fun getLiveRoomCreatorId(roomId: Long): Long?
-    fun getHeartList(roomId: Long): List<GetLiveRoomHeartListItem>
+    fun getHeartList(roomId: Long, lang: Lang): List<GetLiveRoomHeartListItem>
+
+    @Cacheable(
+        cacheNames = ["cache_ttl_10_minutes"],
+        key = "'getLatestFinishedLive:' + (#memberId ?: 'guest')"
+    )
     fun getLatestFinishedLive(memberId: Long?): List<GetLatestFinishedLiveResponse>
 }
 
+@Repository
 class LiveRoomQueryRepositoryImpl(
     private val queryFactory: JPAQueryFactory,
 
@@ -82,8 +95,10 @@ class LiveRoomQueryRepositoryImpl(
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom> {
+        lang: Lang
+    ): List<LiveRoomListRow> {
+        val creatorName = CreatorNameJoin(member, lang, "liveRoomNowCreatorName")
         var where = liveRoom.channelName.isNotNull
             .and(liveRoom.channelName.isNotEmpty)
             .and(liveRoom.isActive.isTrue)
@@ -116,8 +131,10 @@ class LiveRoomQueryRepositoryImpl(
         }
 
         var select = queryFactory
-            .selectFrom(liveRoom)
+            .select(liveRoom, creatorName.displayName)
-            .innerJoin(liveRoom.member, member)
+            .from(liveRoom)
+            .innerJoin(liveRoom.member, member).fetchJoin()
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(quarterLiveRankings).on(liveRoom.id.eq(quarterLiveRankings.roomId))
 
         if (hasMemberId) {
@@ -146,6 +163,7 @@ class LiveRoomQueryRepositoryImpl(
                 liveRoom.member.createdAt.desc()
             )
             .fetch()
+            .map { LiveRoomListRow(it.get(liveRoom)!!, it.get(creatorName.displayName)!!) }
     }
 
     override fun getLiveRoomListReservationWithDate(
@@ -155,8 +173,10 @@ class LiveRoomQueryRepositoryImpl(
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom> {
+        lang: Lang
+    ): List<LiveRoomListRow> {
+        val creatorName = CreatorNameJoin(member, lang, "liveRoomReservationDateCreatorName")
         var where = liveRoom.beginDateTime.goe(date)
             .and(liveRoom.beginDateTime.lt(date.plusDays(1)))
             .and(
@@ -192,8 +212,10 @@ class LiveRoomQueryRepositoryImpl(
         }
 
         var select = queryFactory
-            .selectFrom(liveRoom)
+            .select(liveRoom, creatorName.displayName)
-            .innerJoin(liveRoom.member, member)
+            .from(liveRoom)
+            .innerJoin(liveRoom.member, member).fetchJoin()
+            .leftJoin(creatorName.name).on(creatorName.condition)
 
         if (memberId != null) {
             val blockMemberCondition = blockMember.isActive.isTrue
@@ -216,6 +238,7 @@ class LiveRoomQueryRepositoryImpl(
             .limit(limit)
             .orderBy(liveRoom.beginDateTime.asc())
             .fetch()
+            .map { LiveRoomListRow(it.get(liveRoom)!!, it.get(creatorName.displayName)!!) }
     }
 
     override fun getLiveRoomListReservationWithoutDate(
@@ -223,8 +246,10 @@ class LiveRoomQueryRepositoryImpl(
         memberId: Long?,
         isCreator: Boolean,
         isAdult: Boolean,
-        effectiveGender: Gender?
+        effectiveGender: Gender?,
-    ): List<LiveRoom> {
+        lang: Lang
+    ): List<LiveRoomListRow> {
+        val creatorName = CreatorNameJoin(member, lang, "liveRoomReservationCreatorName")
         var where = liveRoom.beginDateTime.gt(
             LocalDateTime.now()
                 .atZone(ZoneId.of(timezone))
@@ -276,8 +301,10 @@ class LiveRoomQueryRepositoryImpl(
         }
 
         var select = queryFactory
-            .selectFrom(liveRoom)
+            .select(liveRoom, creatorName.displayName)
-            .innerJoin(liveRoom.member, member)
+            .from(liveRoom)
+            .innerJoin(liveRoom.member, member).fetchJoin()
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .limit(10)
 
         if (memberId != null) {
@@ -299,6 +326,7 @@ class LiveRoomQueryRepositoryImpl(
             .where(where)
             .orderBy(*orderBy.toTypedArray())
             .fetch()
+            .map { LiveRoomListRow(it.get(liveRoom)!!, it.get(creatorName.displayName)!!) }
     }
 
     override fun getLiveRoom(id: Long): LiveRoom? {
@@ -312,6 +340,29 @@ class LiveRoomQueryRepositoryImpl(
             .fetchFirst()
     }
 
+    override fun getLiveRoomDetail(id: Long, lang: Lang): LiveRoomListRow? {
+        val creatorName = CreatorNameJoin(member, lang, "liveRoomDetailCreatorName")
+        val row = queryFactory
+            .select(liveRoom, creatorName.displayName)
+            .from(liveRoom)
+            .innerJoin(liveRoom.member, member).fetchJoin()
+            .leftJoin(creatorName.name).on(creatorName.condition)
+            .where(liveRoom.id.eq(id).and(liveRoom.isActive.isTrue))
+            .fetchFirst() ?: return null
+        return LiveRoomListRow(row.get(liveRoom)!!, row.get(creatorName.displayName)!!)
+    }
+
+    override fun getLiveRoomUserProfile(userId: Long, lang: Lang): LiveRoomUserProfileRow? {
+        val profileName = CreatorNameJoin(member, lang, "liveRoomUserProfileName")
+        val row = queryFactory
+            .select(member, profileName.displayName)
+            .from(member)
+            .leftJoin(profileName.name).on(profileName.condition)
+            .where(member.id.eq(userId))
+            .fetchOne() ?: return null
+        return LiveRoomUserProfileRow(row.get(member)!!, row.get(profileName.displayName)!!)
+    }
+
     override fun getLiveRoomAndAccountId(roomId: Long, memberId: Long): LiveRoom? {
         return queryFactory
             .selectFrom(liveRoom)
@@ -359,7 +410,13 @@ class LiveRoomQueryRepositoryImpl(
             .fetchOne()
     }
 
-    override fun getDonationList(roomId: Long, isLiveCreator: Boolean, memberId: Long): List<GetLiveRoomDonationItem> {
+    override fun getDonationList(
+        roomId: Long,
+        isLiveCreator: Boolean,
+        memberId: Long,
+        lang: Lang
+    ): List<GetLiveRoomDonationItem> {
+        val donorName = CreatorNameJoin(member, lang, "liveRoomDonorName")
         val where = liveRoom.id.eq(roomId)
             .and(useCan.canUsage.eq(CanUsage.DONATION).or(useCan.canUsage.eq(CanUsage.SPIN_ROULETTE)))
             .and(useCan.isRefund.isFalse)
@@ -380,7 +437,7 @@ class LiveRoomQueryRepositoryImpl(
                         .coalesce("profile/default-profile.png")
                         .prepend("/")
                         .prepend(cloudFrontHost),
-                    member.nickname,
+                    donorName.displayName,
                     member.id.coalesce(0),
                     Expressions.asNumber(
                         CaseBuilder()
@@ -406,7 +463,8 @@ class LiveRoomQueryRepositoryImpl(
             .from(useCan)
             .innerJoin(useCan.room, liveRoom)
             .innerJoin(useCan.member, member)
-            .groupBy(useCan.member.id)
+            .leftJoin(donorName.name).on(donorName.condition)
+            .groupBy(useCan.member.id, member.nickname, donorName.name.displayName)
             .where(where)
             .orderBy(sortExpression.sum().desc())
             .fetch()
@@ -461,26 +519,29 @@ class LiveRoomQueryRepositoryImpl(
             .fetchFirst()
     }
 
-    override fun getHeartList(roomId: Long): List<GetLiveRoomHeartListItem> {
+    override fun getHeartList(roomId: Long, lang: Lang): List<GetLiveRoomHeartListItem> {
+        val donorName = CreatorNameJoin(member, lang, "liveRoomHeartDonorName")
         val where = liveRoom.id.eq(roomId)
             .and(useCan.canUsage.eq(CanUsage.HEART))
             .and(useCan.isRefund.isFalse)
 
         return queryFactory
             .select(
-                QGetLiveRoomHeartListItem(
+                Projections.constructor(
+                    GetLiveRoomHeartListItem::class.java,
                     member.profileImage
                         .coalesce("profile/default-profile.png")
                         .prepend("/")
                         .prepend(cloudFrontHost),
-                    member.nickname,
+                    donorName.displayName,
                     useCan.can.add(useCan.rewardCan).sum()
                 )
             )
             .from(useCan)
             .innerJoin(useCan.room, liveRoom)
             .innerJoin(useCan.member, member)
-            .groupBy(useCan.member.id)
+            .leftJoin(donorName.name).on(donorName.condition)
+            .groupBy(useCan.member.id, member.nickname, donorName.name.displayName)
             .where(where)
             .orderBy(useCan.can.add(useCan.rewardCan).sum().desc())
             .fetch()

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt

@@ -26,6 +26,7 @@ import kr.co.vividnext.sodalive.fcm.FcmEvent
 import kr.co.vividnext.sodalive.fcm.FcmEventType
 import kr.co.vividnext.sodalive.fcm.PushTokenRepository
 import kr.co.vividnext.sodalive.fcm.notification.PushNotificationCategory
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.live.reservation.LiveReservationRepository
@@ -67,8 +68,8 @@ import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.member.contentpreference.ViewerContentPreference
 import kr.co.vividnext.sodalive.utils.generateFileName
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.beans.factory.annotation.Value
-import org.springframework.cache.annotation.Cacheable
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.domain.Pageable
 import org.springframework.data.repository.findByIdOrNull
@@ -89,6 +90,7 @@ class LiveRoomService(
     private val menuService: LiveRoomMenuService,
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
 
     private val repository: LiveRoomRepository,
     private val rouletteRepository: NewRouletteRepository,
@@ -247,14 +249,14 @@ class LiveRoomService(
             )
         }
 
-        val creatorIds = roomList.mapNotNull { it.member?.id }.distinct()
+        val creatorIds = roomList.mapNotNull { it.room.member?.id }.distinct()
         val languageTagByMemberId = buildLanguageTagMap(creatorIds)
 
         return roomList
-            .map {
+            .map { (room, creatorNickname) ->
-                val roomInfo = roomInfoRepository.findByIdOrNull(it.id!!)
+                val roomInfo = roomInfoRepository.findByIdOrNull(room.id!!)
 
-                val reservations = it.reservations
+                val reservations = room.reservations
                     .filter { reservation ->
                         if (member?.id != null) {
                             reservation.member!!.id!! == member.id!! && reservation.isActive
@@ -263,7 +265,7 @@ class LiveRoomService(
                         }
                     }
 
-                val beginDateTime = it.beginDateTime
+                val beginDateTime = room.beginDateTime
                     .atZone(ZoneId.of("UTC"))
                     .withZoneSameInstant(ZoneId.of(timezone))
                     .format(
@@ -272,42 +274,42 @@ class LiveRoomService(
                             .withLocale(langContext.lang.locale)
                     )
 
-                val beginDateTimeUtc = it.beginDateTime
+                val beginDateTimeUtc = room.beginDateTime
                     .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
 
-                val tags = it.tags
+                val tags = room.tags
                     .filter { tag -> tag.tag.isActive }
                     .map { tag -> tag.tag.tag }
-                    .let { list -> applyLanguageTagToRoomTags(it.member?.id, list, languageTagByMemberId) }
+                    .let { list -> applyLanguageTagToRoomTags(room.member?.id, list, languageTagByMemberId) }
 
                 GetRoomListResponse(
-                    roomId = it.id!!,
+                    roomId = room.id!!,
-                    title = it.title,
+                    title = room.title,
-                    content = it.notice,
+                    content = room.notice,
                     beginDateTime = beginDateTime,
                     beginDateTimeUtc = beginDateTimeUtc,
                     numberOfParticipate = (roomInfo?.listenerCount ?: 0) +
                         (roomInfo?.speakerCount ?: 0) +
                         (roomInfo?.managerCount ?: 0),
-                    numberOfPeople = it.numberOfPeople,
+                    numberOfPeople = room.numberOfPeople,
-                    isAdult = it.isAdult,
+                    isAdult = room.isAdult,
-                    price = it.price,
+                    price = room.price,
-                    channelName = it.channelName,
+                    channelName = room.channelName,
-                    creatorProfileImage = if (it.member!!.profileImage != null) {
+                    creatorProfileImage = if (room.member!!.profileImage != null) {
-                        "$cloudFrontHost/${it.member!!.profileImage}"
+                        "$cloudFrontHost/${room.member!!.profileImage}"
                     } else {
                         "$cloudFrontHost/profile/default-profile.png"
                     },
-                    creatorNickname = it.member!!.nickname,
+                    creatorNickname = creatorNickname,
-                    creatorId = it.member!!.id!!,
+                    creatorId = room.member!!.id!!,
                     tags = tags,
-                    coverImageUrl = if (it.coverImage!!.startsWith("https://")) {
+                    coverImageUrl = if (room.coverImage!!.startsWith("https://")) {
-                        it.coverImage!!
+                        room.coverImage!!
                     } else {
-                        "$cloudFrontHost/${it.coverImage!!}"
+                        "$cloudFrontHost/${room.coverImage!!}"
                     },
                     isReservation = reservations.isNotEmpty(),
-                    isPrivateRoom = it.type == LiveRoomType.PRIVATE
+                    isPrivateRoom = room.type == LiveRoomType.PRIVATE
                 )
             }
     }
@@ -319,7 +321,7 @@ class LiveRoomService(
         isCreator: Boolean,
         isAdult: Boolean,
         effectiveGender: Gender?
-    ): List<LiveRoom> {
+    ): List<LiveRoomListRow> {
         return repository.getLiveRoomListNow(
             offset = pageable.offset,
             limit = pageable.pageSize.toLong(),
@@ -327,7 +329,8 @@ class LiveRoomService(
             memberId = memberId,
             isCreator = isCreator,
             isAdult = isAdult,
-            effectiveGender = effectiveGender
+            effectiveGender = effectiveGender,
+            lang = langContext.lang
         )
     }
 
@@ -339,7 +342,7 @@ class LiveRoomService(
         isCreator: Boolean,
         isAdult: Boolean,
         effectiveGender: Gender?
-    ): List<LiveRoom> {
+    ): List<LiveRoomListRow> {
         val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
         val date = LocalDate.parse(dateString, dateTimeFormatter).atStartOfDay()
             .atZone(ZoneId.of(timezone))
@@ -353,7 +356,8 @@ class LiveRoomService(
             memberId = memberId,
             isCreator = isCreator,
             isAdult = isAdult,
-            effectiveGender = effectiveGender
+            effectiveGender = effectiveGender,
+            lang = langContext.lang
         )
     }
 
@@ -363,8 +367,15 @@ class LiveRoomService(
         isCreator: Boolean,
         isAdult: Boolean,
         effectiveGender: Gender?
-    ): List<LiveRoom> {
+    ): List<LiveRoomListRow> {
-        return repository.getLiveRoomListReservationWithoutDate(timezone, memberId, isCreator, isAdult, effectiveGender)
+        return repository.getLiveRoomListReservationWithoutDate(
+            timezone,
+            memberId,
+            isCreator,
+            isAdult,
+            effectiveGender,
+            langContext.lang
+        )
     }
 
     @Transactional
@@ -504,6 +515,7 @@ class LiveRoomService(
                 type = FcmEventType.CREATE_LIVE,
                 category = PushNotificationCategory.LIVE,
                 title = createdRoom.member!!.nickname,
+                titleMemberId = createdRoom.member!!.id,
                 messageKey = if (createdRoom.channelName != null) {
                     "live.room.fcm.message.started"
                 } else {
@@ -525,7 +537,7 @@ class LiveRoomService(
     }
 
     fun getRoomDetail(roomId: Long, member: Member, timezone: String): GetRoomDetailResponse {
-        val room = repository.getLiveRoom(id = roomId)
+        val (room, creatorNickname) = repository.getLiveRoomDetail(id = roomId, lang = langContext.lang)
             ?: throw SodaException(messageKey = "live.room.already_ended")
 
         val creatorId = room.member!!.id!!
@@ -573,7 +585,7 @@ class LiveRoomService(
             genderRestriction = room.genderRestriction,
             password = room.password
         )
-        response.manager = GetRoomDetailManager(room.member!!, cloudFrontHost = cloudFrontHost)
+        response.manager = GetRoomDetailManager(room.member!!, cloudFrontHost, creatorNickname)
 
         if (!room.channelName.isNullOrBlank()) {
             val roomInfo = roomInfoRepository.findByIdOrNull(roomId)
@@ -618,21 +630,14 @@ class LiveRoomService(
                         }
                 )
 
-                response.participatingUsers = users
+                val names = findCurrentNames(users.map { it.id }, langContext.lang)
+                response.participatingUsers = users.map { it.copy(nickname = names[it.id] ?: it.nickname) }
                 response.numberOfParticipants = users.size
             }
         } else {
-            val reservationList = reservationRepository.getReservationList(roomId)
+            val reservationList = reservationRepository.getReservationList(roomId, langContext.lang)
+            response.isPaid = reservationList.any { it.id == member.id }
             response.participatingUsers = reservationList
-                .asSequence()
-                .map {
-                    if (it.member!!.id!! == member.id!!) {
-                        response.isPaid = true
-                    }
-
-                    GetRoomDetailUser(it.member!!, cloudFrontHost)
-                }
-                .toList()
             response.numberOfParticipants = reservationList.size
         }
 
@@ -686,6 +691,7 @@ class LiveRoomService(
                 type = FcmEventType.START_LIVE,
                 category = PushNotificationCategory.LIVE,
                 title = room.member!!.nickname,
+                titleMemberId = room.member!!.id,
                 messageKey = "live.room.fcm.message.started",
                 senderMemberId = room.member!!.id,
                 args = listOf(room.title),
@@ -761,6 +767,7 @@ class LiveRoomService(
                 type = FcmEventType.CANCEL_LIVE,
                 category = PushNotificationCategory.LIVE,
                 title = room.member!!.nickname,
+                titleMemberId = room.member!!.id,
                 messageKey = "live.room.fcm.message.canceled",
                 senderMemberId = room.member!!.id,
                 args = listOf(room.title),
@@ -792,8 +799,9 @@ class LiveRoomService(
 
         val isBlocked = blockMemberRepository.isBlocked(blockedMemberId = member.id!!, memberId = room.member!!.id!!)
         if (isBlocked) {
+            val names = localizedNameService.findLocalizedNames(listOf(room.member!!.id!!), langContext.lang)
             throw SodaException(
-                message = formatMessage("live.room.enter_blocked_by_host", room.member!!.nickname)
+                message = formatMessage("live.room.enter_blocked_by_host", names[room.member!!.id] ?: room.member!!.nickname)
             )
         }
 
@@ -807,8 +815,12 @@ class LiveRoomService(
 
         val kickOutCount = kickOutService.getKickOutCount(roomId = room.id!!, userId = member.id!!)
         if (kickOutCount >= 2) {
+            val names = localizedNameService.findLocalizedNames(listOf(room.member!!.id!!), langContext.lang)
             throw SodaException(
-                message = formatMessage("live.room.participation_blocked_by_host", room.member!!.nickname)
+                message = formatMessage(
+                    "live.room.participation_blocked_by_host",
+                    names[room.member!!.id] ?: room.member!!.nickname
+                )
             )
         }
 
@@ -1057,6 +1069,10 @@ class LiveRoomService(
             ?.lowercase()
             ?.take(2)
 
+        val names = findCurrentNames(
+            listOf(creatorId) + (roomInfo.speakerList + roomInfo.listenerList + roomInfo.managerList).map { it.id },
+            langContext.lang
+        )
         return GetRoomInfoResponse(
             roomId = roomId,
             title = room.title,
@@ -1079,7 +1095,7 @@ class LiveRoomService(
             rtmToken = rtmToken,
             v2vWorkerToken = v2vWorkerToken,
             creatorId = room.member!!.id!!,
-            creatorNickname = room.member!!.nickname,
+            creatorNickname = names[creatorId] ?: room.member!!.nickname,
             creatorProfileUrl = if (room.member!!.profileImage != null) {
                 "$cloudFrontHost/${room.member!!.profileImage}"
             } else {
@@ -1090,9 +1106,9 @@ class LiveRoomService(
             isCaptureRecordingAvailable = room.isCaptureRecordingAvailable,
             participantsCount = roomInfo.listenerCount + roomInfo.speakerCount + roomInfo.managerCount,
             totalAvailableParticipantsCount = room.numberOfPeople,
-            speakerList = roomInfo.speakerList,
+            speakerList = roomInfo.speakerList.map { it.copy(nickname = names[it.id] ?: it.nickname).apply { role = it.role } },
-            listenerList = roomInfo.listenerList,
+            listenerList = roomInfo.listenerList.map { it.copy(nickname = names[it.id] ?: it.nickname).apply { role = it.role } },
-            managerList = roomInfo.managerList,
+            managerList = roomInfo.managerList.map { it.copy(nickname = names[it.id] ?: it.nickname).apply { role = it.role } },
             donationRankingTop3UserIds = donationRankingTop3UserIds,
             menuPan = menuPan?.menu ?: "",
             creatorLanguageCode = creatorLanguageCode,
@@ -1129,12 +1145,14 @@ class LiveRoomService(
         val roomInfo = roomInfoRepository.findByIdOrNull(roomId)
             ?: throw SodaException(messageKey = "live.room.info_not_found")
 
-        return if (liveRoomCreatorId != member.id!!) {
+        val messages = if (liveRoomCreatorId != member.id!!) {
             roomInfo.donationMessageList
                 .filter { !it.isSecret || it.memberId == member.id!! }
         } else {
             roomInfo.donationMessageList
         }
+        val names = findCurrentNames(messages.map { it.memberId }, langContext.lang)
+        return messages.map { it.copy(nickname = names[it.memberId] ?: it.nickname) }
     }
 
     fun deleteDonationMessage(request: DeleteLiveRoomDonationMessage, member: Member) {
@@ -1161,7 +1179,7 @@ class LiveRoomService(
         val roomInfo = roomInfoRepository.findByIdOrNull(roomId)
             ?: throw SodaException(messageKey = "live.room.info_not_found")
 
-        val user = memberRepository.findByIdOrNull(userId)
+        val (user, nickname) = repository.getLiveRoomUserProfile(userId, langContext.lang)
             ?: throw SodaException(messageKey = "common.error.invalid_request")
 
         val isFollowing = if (user.role == MemberRole.CREATOR) {
@@ -1194,7 +1212,7 @@ class LiveRoomService(
 
         return GetLiveRoomUserProfileResponse(
             userId = user.id!!,
-            nickname = user.nickname,
+            nickname = nickname,
             profileUrl = if (user.profileImage != null) {
                 "$cloudFrontHost/${user.profileImage}"
             } else {
@@ -1439,7 +1457,8 @@ class LiveRoomService(
         val donationList = repository.getDonationList(
             roomId = room.id!!,
             isLiveCreator = isLiveCreator,
-            memberId = memberId
+            memberId = memberId,
+            lang = langContext.lang
         ).filter { it.secretCan > 0 || it.can > 0 }
 
         val totalCan = donationList.sumOf { it.can }
@@ -1492,6 +1511,10 @@ class LiveRoomService(
         return tokenLocks.computeIfAbsent(memberId) { ReentrantReadWriteLock() }
     }
 
+    private fun findCurrentNames(memberIds: Collection<Long>, lang: Lang): Map<Long, String> {
+        return localizedNameService.findCurrentNames(memberIds.distinct(), lang)
+    }
+
     private fun resolvePreference(member: Member?): ViewerContentPreference {
         if (member == null) {
             return ViewerContentPreference(
@@ -1531,7 +1554,7 @@ class LiveRoomService(
     }
 
     fun getHeartList(roomId: Long): GetLiveRoomHeartListResponse {
-        val heartList = repository.getHeartList(roomId = roomId)
+        val heartList = repository.getHeartList(roomId = roomId, lang = langContext.lang)
 
         return GetLiveRoomHeartListResponse(
             heartList = heartList,
@@ -1541,11 +1564,10 @@ class LiveRoomService(
     }
 
     @Transactional(readOnly = true)
-    @Cacheable(
-        cacheNames = ["cache_ttl_10_minutes"],
-        key = "'getLatestFinishedLive:' + (#member?.id ?: 'guest')"
-    )
     fun getLatestFinishedLive(member: Member?): List<GetLatestFinishedLiveResponse> {
-        return repository.getLatestFinishedLive(memberId = member?.id)
+        val items = repository.getLatestFinishedLive(memberId = member?.id)
+        val memberIds = items.map { it.memberId }.distinct()
+        val names = findCurrentNames(memberIds, langContext.lang)
+        return items.map { it.copy(nickname = names[it.memberId] ?: it.nickname) }
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/live/room/detail/GetRoomDetailResponse.kt

@@ -37,9 +37,9 @@ data class GetRoomDetailManager(
     val profileImageUrl: String,
     val isCreator: Boolean
 ) {
-    constructor(member: Member, cloudFrontHost: String) : this(
+    constructor(member: Member, cloudFrontHost: String, nickname: String) : this(
         id = member.id!!,
-        nickname = member.nickname,
+        nickname = nickname,
         introduce = member.introduce,
         youtubeUrl = member.youtubeUrl,
         instagramUrl = member.instagramUrl,

src/main/kotlin/kr/co/vividnext/sodalive/live/room/like/GetLiveRoomHeartListResponse.kt

@@ -1,14 +1,12 @@
 package kr.co.vividnext.sodalive.live.room.like
 
-import com.querydsl.core.annotations.QueryProjection
-
 data class GetLiveRoomHeartListResponse(
     val heartList: List<GetLiveRoomHeartListItem>,
     val totalCount: Int,
     val totalHeart: Int
 )
 
-data class GetLiveRoomHeartListItem @QueryProjection constructor(
+data class GetLiveRoomHeartListItem(
     val profileImage: String,
     val nickname: String,
     val heart: Int

src/main/kotlin/kr/co/vividnext/sodalive/live/room/visit/LiveRoomVisitRepository.kt

@@ -1,12 +1,17 @@
 package kr.co.vividnext.sodalive.live.room.visit
 
+import com.querydsl.core.types.Projections
 import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
+import kr.co.vividnext.sodalive.live.room.detail.GetRoomDetailUser
 import kr.co.vividnext.sodalive.live.room.visit.QLiveRoomVisit.liveRoomVisit
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember
 import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 
@@ -16,11 +21,15 @@ interface LiveRoomVisitRepository : JpaRepository<LiveRoomVisit, Long>, LiveRoom
 interface LiveRoomVisitQueryRepository {
     fun findByRoomIdAndMemberId(roomId: Long, memberId: Long): LiveRoomVisit?
     fun findFirstByMemberIdOrderByUpdatedAtDesc(memberId: Long): LiveRoomVisit?
-    fun getRecentVisitRoomUsers(roomId: Long, member: Member): List<Member>
+    fun getRecentVisitRoomUsers(roomId: Long, member: Member, lang: Lang): List<GetRoomDetailUser>
 }
 
 @Repository
-class LiveRoomVisitQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : LiveRoomVisitQueryRepository {
+class LiveRoomVisitQueryRepositoryImpl(
+    private val queryFactory: JPAQueryFactory,
+    @Value("\${cloud.aws.cloud-front.host}")
+    private val cloudFrontHost: String
+) : LiveRoomVisitQueryRepository {
     override fun findByRoomIdAndMemberId(roomId: Long, memberId: Long): LiveRoomVisit? {
         return queryFactory
             .selectFrom(liveRoomVisit)
@@ -44,7 +53,9 @@ class LiveRoomVisitQueryRepositoryImpl(private val queryFactory: JPAQueryFactory
             .fetchFirst()
     }
 
-    override fun getRecentVisitRoomUsers(roomId: Long, member: Member): List<Member> {
+    override fun getRecentVisitRoomUsers(roomId: Long, member: Member, lang: Lang): List<GetRoomDetailUser> {
+        val visitor = QMember.member
+        val visitorName = CreatorNameJoin(visitor, lang, "recentLiveRoomVisitorName")
         var where = liveRoomVisit.room.id.eq(roomId)
             .and(liveRoomVisit.member.isActive.isTrue)
             .and(liveRoomVisit.member.id.ne(member.id))
@@ -58,10 +69,18 @@ class LiveRoomVisitQueryRepositoryImpl(private val queryFactory: JPAQueryFactory
         }
 
         return queryFactory
-            .select(QMember.member)
+            .select(
+                Projections.constructor(
+                    GetRoomDetailUser::class.java,
+                    visitor.id,
+                    visitorName.displayName,
+                    visitor.profileImage.coalesce("profile/default-profile.png").prepend("/").prepend(cloudFrontHost)
+                )
+            )
             .from(liveRoomVisit)
-            .innerJoin(liveRoomVisit.member, QMember.member)
+            .innerJoin(liveRoomVisit.member, visitor)
             .innerJoin(liveRoomVisit.room, liveRoom)
+            .leftJoin(visitorName.name).on(visitorName.condition)
             .where(where)
             .fetch()
     }

src/main/kotlin/kr/co/vividnext/sodalive/live/room/visit/LiveRoomVisitService.kt

@@ -1,9 +1,9 @@
 package kr.co.vividnext.sodalive.live.room.visit
 
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.live.room.LiveRoom
 import kr.co.vividnext.sodalive.live.room.detail.GetRoomDetailUser
 import kr.co.vividnext.sodalive.member.Member
-import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import java.time.LocalDateTime
@@ -12,9 +12,7 @@ import java.time.LocalDateTime
 @Transactional(readOnly = true)
 class LiveRoomVisitService(
     private val repository: LiveRoomVisitRepository,
-
+    private val langContext: LangContext
-    @Value("\${cloud.aws.cloud-front.host}")
-    private val cloudFrontHost: String
 ) {
     @Transactional
     fun roomVisit(room: LiveRoom, member: Member) {
@@ -34,9 +32,6 @@ class LiveRoomVisitService(
         val roomVisit = repository.findFirstByMemberIdOrderByUpdatedAtDesc(member.id!!)
             ?: return emptyList()
 
-        return repository.getRecentVisitRoomUsers(roomVisit.room!!.id!!, member)
+        return repository.getRecentVisitRoomUsers(roomVisit.room!!.id!!, member, langContext.lang)
-            .asSequence()
-            .map { GetRoomDetailUser(it, cloudFrontHost) }
-            .toList()
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt

@@ -1,12 +1,15 @@
 package kr.co.vividnext.sodalive.member
 
+import com.querydsl.core.types.Projections
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.fcm.PushTokenInfo
 import kr.co.vividnext.sodalive.fcm.QPushToken.pushToken
 import kr.co.vividnext.sodalive.fcm.QPushTokenInfo
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.reservation.QLiveReservation.liveReservation
 import kr.co.vividnext.sodalive.live.room.GenderRestriction
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
+import kr.co.vividnext.sodalive.live.room.detail.GetRoomDetailUser
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.auth.QAuth.auth
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
@@ -15,6 +18,8 @@ import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollow
 import kr.co.vividnext.sodalive.member.nickname.QNicknameChangeLog.nicknameChangeLog
 import kr.co.vividnext.sodalive.member.notification.QMemberNotification.memberNotification
 import kr.co.vividnext.sodalive.message.QMessage.message
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.creatorNameContains
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.data.jpa.repository.Lock
@@ -38,7 +43,7 @@ interface MemberRepository : JpaRepository<Member, Long>, MemberQueryRepository
 }
 
 interface MemberQueryRepository {
-    fun findByNicknameAndOtherCondition(nickname: String, member: Member): List<Member>
+    fun findByNicknameAndOtherCondition(nickname: String, member: Member, lang: Lang? = null): List<GetRoomDetailUser>
     fun findCreatorByIdOrNull(memberId: Long): Member?
     fun getAllRecipientPushTokens(isAuth: Boolean?): List<PushTokenInfo>
     fun getCreateLiveRoomNotificationRecipientPushTokens(
@@ -70,7 +75,7 @@ interface MemberQueryRepository {
     fun getPushTokenFromReservationList(roomId: Long): List<PushTokenInfo>
     fun getAuditionNoticeRecipientPushTokens(isAuth: Boolean): List<PushTokenInfo>
 
-    fun getMemberProfile(memberId: Long, myMemberId: Long): GetMemberProfileResponse
+    fun getMemberProfile(memberId: Long, myMemberId: Long, lang: Lang = Lang.KO): GetMemberProfileResponse
 
     fun existsByNickname(nickname: String): Boolean
     fun findNicknamesWithPrefix(prefix: String): List<String>
@@ -86,8 +91,10 @@ class MemberQueryRepositoryImpl(
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) : MemberQueryRepository {
-    override fun findByNicknameAndOtherCondition(nickname: String, member: Member): List<Member> {
+    override fun findByNicknameAndOtherCondition(nickname: String, member: Member, lang: Lang?): List<GetRoomDetailUser> {
-        var where = QMember.member.nickname.containsIgnoreCase(nickname)
+        val creatorName = lang?.let { CreatorNameJoin(QMember.member, it, "memberSearchName") }
+        val displayName = creatorName?.displayName ?: QMember.member.nickname
+        var where = creatorNameContains(QMember.member, nickname)
             .and(QMember.member.id.ne(member.id))
             .and(QMember.member.role.ne(MemberRole.ADMIN))
             .and(QMember.member.role.ne(MemberRole.AGENT))
@@ -97,10 +104,19 @@ class MemberQueryRepositoryImpl(
             where = where.and(QMember.member.role.ne(MemberRole.USER))
         }
 
-        return queryFactory
+        val query = queryFactory
-            .selectFrom(QMember.member)
+            .select(
+                Projections.constructor(
+                    GetRoomDetailUser::class.java,
+                    QMember.member.id,
+                    displayName,
+                    QMember.member.profileImage.coalesce("profile/default-profile.png").prepend("/").prepend(cloudFrontHost)
+                )
+            )
+            .from(QMember.member)
             .where(where)
-            .fetch()
+        if (creatorName != null) query.leftJoin(creatorName.name).on(creatorName.condition)
+        return query.fetch()
     }
 
     override fun findCreatorByIdOrNull(memberId: Long): Member? {
@@ -499,17 +515,19 @@ class MemberQueryRepositoryImpl(
             .fetch()
     }
 
-    override fun getMemberProfile(memberId: Long, myMemberId: Long): GetMemberProfileResponse {
+    override fun getMemberProfile(memberId: Long, myMemberId: Long, lang: Lang): GetMemberProfileResponse {
+        val creatorName = CreatorNameJoin(member, lang, "profileMemberName")
         return queryFactory
             .select(
                 QGetMemberProfileResponse(
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
                     blockMember.id.isNotNull
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(blockMember)
             .on(
                 member.id.eq(blockMember.blockedMember.id)

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -53,6 +53,7 @@ import kr.co.vividnext.sodalive.member.token.MemberTokenRepository
 import kr.co.vividnext.sodalive.point.MemberPointRepository
 import kr.co.vividnext.sodalive.utils.generateFileName
 import kr.co.vividnext.sodalive.utils.generatePassword
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import kr.co.vividnext.sodalive.v2.home.following.port.out.HomeFollowingNewsInboxPort
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.cache.CacheManager
@@ -105,6 +106,7 @@ class MemberService(
 
     private val messageSource: SodaMessageSource,
     private val langContext: LangContext,
+    private val localizedNameService: CreatorLocalizedNameService,
     private val countryContext: CountryContext,
     private val memberContentPreferenceService: MemberContentPreferenceService,
 
@@ -308,7 +310,8 @@ class MemberService(
         ).sumOf { it.point }
 
         return MyPageResponse(
-            nickname = member.nickname,
+            nickname = localizedNameService.findLocalizedNames(listOf(member.id!!), langContext.lang)[member.id]
+                ?: member.nickname,
             profileUrl = if (member.profileImage != null) {
                 "$cloudFrontHost/${member.profileImage}"
             } else {
@@ -542,8 +545,7 @@ class MemberService(
 
     fun getBlockedMemberList(memberId: Long, offset: Long, limit: Long): GetBlockedMemberListResponse {
         val totalCount = blockMemberRepository.getBlockedMemberTotalCount(memberId)
-        val items = blockMemberRepository.getBlockedMemberList(offset = offset, limit = limit, memberId = memberId)
+        val items = blockMemberRepository.getBlockedMemberList(offset, limit, memberId, langContext.lang)
-
         return GetBlockedMemberListResponse(totalCount = totalCount, items = items)
     }
 
@@ -610,14 +612,11 @@ class MemberService(
             throw SodaException(messageKey = "member.validation.nickname_min_length")
         }
 
-        return repository.findByNicknameAndOtherCondition(nickname, member)
+        return repository.findByNicknameAndOtherCondition(nickname, member, langContext.lang)
             .filter {
                 !blockMemberRepository.isBlocked(blockedMemberId = member.id!!, memberId = it.id!!) &&
                     !blockMemberRepository.isBlocked(blockedMemberId = it.id!!, memberId = member.id!!)
             }
-            .map {
-                GetRoomDetailUser(it, cloudFrontHost)
-            }
     }
 
     @Transactional
@@ -837,7 +836,7 @@ class MemberService(
     }
 
     fun getMemberProfile(memberId: Long, myMemberId: Long): GetMemberProfileResponse {
-        return repository.getMemberProfile(memberId, myMemberId)
+        return repository.getMemberProfile(memberId, myMemberId, langContext.lang)
     }
 
     private fun formatMessage(key: String, vararg args: Any): String {

src/main/kotlin/kr/co/vividnext/sodalive/member/block/BlockMemberRepository.kt

@@ -1,8 +1,10 @@
 package kr.co.vividnext.sodalive.member.block
 
 import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
@@ -14,7 +16,7 @@ interface BlockMemberQueryRepository {
     fun getBlockAccount(blockedMemberId: Long, memberId: Long): BlockMember?
     fun isBlocked(blockedMemberId: Long, memberId: Long): Boolean
     fun getBlockedMemberIdList(memberId: Long): List<Long>
-    fun getBlockedMemberList(offset: Long, limit: Long, memberId: Long): List<GetBlockedMemberListItem>
+    fun getBlockedMemberList(offset: Long, limit: Long, memberId: Long, lang: Lang = Lang.KO): List<GetBlockedMemberListItem>
     fun getBlockedMemberTotalCount(memberId: Long): Int
 }
 
@@ -61,18 +63,20 @@ class BlockMemberQueryRepositoryImpl(
             .fetch()
     }
 
-    override fun getBlockedMemberList(offset: Long, limit: Long, memberId: Long): List<GetBlockedMemberListItem> {
+    override fun getBlockedMemberList(offset: Long, limit: Long, memberId: Long, lang: Lang): List<GetBlockedMemberListItem> {
+        val creatorName = CreatorNameJoin(member, lang, "blockedMemberName")
         return queryFactory
             .select(
                 QGetBlockedMemberListItem(
                     blockMember.blockedMember.id,
-                    blockMember.blockedMember.nickname,
+                    creatorName.displayName,
                     blockMember.blockedMember.profileImage.prepend("/").prepend(cloudFrontHost),
                     blockMember.isActive
                 )
             )
             .from(blockMember)
             .innerJoin(blockMember.blockedMember, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 blockMember.member.id.eq(memberId)
                     .and(blockMember.isActive.isTrue)

src/main/kotlin/kr/co/vividnext/sodalive/rank/RankingRepository.kt

@@ -18,13 +18,15 @@ import kr.co.vividnext.sodalive.creator.admin.content.series.QSeries.series
 import kr.co.vividnext.sodalive.creator.admin.content.series.QSeriesContent.seriesContent
 import kr.co.vividnext.sodalive.creator.admin.content.series.Series
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesState
+import kr.co.vividnext.sodalive.explorer.GetExplorerSectionCreatorResponse
 import kr.co.vividnext.sodalive.explorer.QCreatorRanking.creatorRanking
-import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
 import kr.co.vividnext.sodalive.member.tag.QCreatorTag.creatorTag
 import kr.co.vividnext.sodalive.member.tag.QMemberCreatorTag.memberCreatorTag
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
@@ -36,7 +38,9 @@ class RankingRepository(
     @Value("\${cloud.aws.cloud-front.host}")
     private val imageHost: String
 ) {
-    fun getCreatorRankings(memberId: Long? = null): List<Member> {
+    fun getCreatorRankings(memberId: Long? = null, lang: Lang = Lang.KO): List<GetExplorerSectionCreatorResponse> {
+        val creatorName = CreatorNameJoin(member, lang, "rankingCreatorName")
+        val displayName = creatorName.displayName
         val blockMemberCondition = if (memberId != null) {
             blockMember.isActive.isTrue
                 .and(
@@ -52,11 +56,12 @@ class RankingRepository(
         }
 
         var select = queryFactory
-            .select(member)
+            .select(member, displayName)
             .from(creatorRanking)
             .innerJoin(creatorRanking.member, member)
             .leftJoin(member.tags, memberCreatorTag).fetchJoin()
             .leftJoin(memberCreatorTag.tag, creatorTag).fetchJoin()
+        select.leftJoin(creatorName.name).on(creatorName.condition)
 
         if (memberId != null) {
             select = select.leftJoin(blockMember).on(blockMemberCondition)
@@ -69,6 +74,9 @@ class RankingRepository(
         return select
             .orderBy(creatorRanking.ranking.asc())
             .fetch()
+            .map { row ->
+                row.get(member)!!.toExplorerSectionCreator(imageHost).copy(nickname = row.get(displayName)!!)
+            }
             .distinctBy { it.id }
     }
 
@@ -84,6 +92,8 @@ class RankingRepository(
         theme: String = "",
         locale: String? = null
     ): List<GetAudioContentRankingItem> {
+        val creatorName = locale?.let { CreatorNameJoin(member, Lang.fromCode(it), "rankingContentCreatorName") }
+        val displayName = creatorName?.displayName ?: member.nickname
         val blockMemberCondition = if (memberId != null) {
             blockMember.isActive.isTrue
                 .and(
@@ -148,7 +158,7 @@ class RankingRepository(
                 audioContent.price,
                 audioContent.duration,
                 member.id,
-                member.nickname,
+                displayName,
                 audioContent.isPointAvailable,
                 creatorProfileImageUrl
             )
@@ -199,6 +209,7 @@ class RankingRepository(
             select = select.leftJoin(contentTranslation)
                 .on(contentTranslation.contentId.eq(audioContent.id).and(contentTranslation.locale.eq(locale)))
         }
+        if (creatorName != null) select.leftJoin(creatorName.name).on(creatorName.condition)
 
         if (memberId != null) {
             where = where.and(blockMember.id.isNull)
@@ -269,6 +280,7 @@ class RankingRepository(
         }
 
         val results = select
+            .groupBy(member.id, displayName)
             .offset(offset)
             .limit(limit)
             .fetch()
@@ -283,7 +295,7 @@ class RankingRepository(
             val price = row.get(audioContent.price) ?: 0
             val duration = row.get(audioContent.duration) ?: ""
             val creatorId = row.get(member.id)!!
-            val creatorNickname = row.get(member.nickname)!!
+            val creatorNickname = row.get(displayName)!!
             val isPointAvailable = row.get(audioContent.isPointAvailable) ?: false
             val creatorProfileImageUrlValue = row.get(creatorProfileImageUrl)!!
 

src/main/kotlin/kr/co/vividnext/sodalive/rank/RankingService.kt

@@ -26,7 +26,6 @@ class RankingService(
     fun getCreatorRanking(memberId: Long?, rankingDate: String): GetExplorerSectionResponse {
         val creatorRankings = repository
             .getCreatorRankings(memberId = memberId)
-            .map { it.toExplorerSectionCreator(imageHost) }
 
         return GetExplorerSectionResponse(
             title = "인기 크리에이터",

src/main/kotlin/kr/co/vividnext/sodalive/search/SearchRepository.kt

@@ -10,11 +10,14 @@ import kr.co.vividnext.sodalive.content.theme.QAudioContentTheme.audioContentThe
 import kr.co.vividnext.sodalive.creator.admin.content.series.QSeries.series
 import kr.co.vividnext.sodalive.creator.admin.content.series.QSeriesContent.seriesContent
 import kr.co.vividnext.sodalive.creator.admin.content.series.keyword.QSeriesKeyword.seriesKeyword
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember.blockMember
 import kr.co.vividnext.sodalive.member.tag.QCreatorTag.creatorTag
 import kr.co.vividnext.sodalive.member.tag.QMemberCreatorTag.memberCreatorTag
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.creatorNameContains
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Repository
 
@@ -50,7 +53,7 @@ class SearchRepository(
                     .and(member.role.eq(MemberRole.CREATOR))
                     .and(creatorTag.isActive.isTrue.or(creatorTag.id.isNull))
                     .and(
-                        member.nickname.containsIgnoreCase(keyword)
+                        creatorNameContains(member, keyword)
                             .or(member.introduce.containsIgnoreCase(keyword))
                             .or(creatorTag.tag.containsIgnoreCase(keyword))
                     )
@@ -65,7 +68,8 @@ class SearchRepository(
         keyword: String,
         memberId: Long,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang = Lang.KO
     ): List<SearchResponseItem> {
         val blockMemberCondition = blockMember.isActive.isTrue
             .and(
@@ -77,16 +81,18 @@ class SearchRepository(
                     )
             )
 
+        val creatorName = CreatorNameJoin(member, lang, "searchCreatorName")
         return queryFactory
             .select(
                 QSearchResponseItem(
                     member.id,
                     member.profileImage.prepend("/").prepend(imageHost),
-                    member.nickname,
+                    creatorName.displayName,
-                    member.nickname
+                    creatorName.displayName
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(memberCreatorTag).on(memberCreatorTag.member.id.eq(member.id))
             .leftJoin(creatorTag).on(memberCreatorTag.tag.id.eq(creatorTag.id))
             .leftJoin(blockMember).on(blockMemberCondition)
@@ -95,13 +101,13 @@ class SearchRepository(
                     .and(member.role.eq(MemberRole.CREATOR))
                     .and(creatorTag.isActive.isTrue.or(creatorTag.id.isNull))
                     .and(
-                        member.nickname.containsIgnoreCase(keyword)
+                        creatorNameContains(member, keyword)
                             .or(member.introduce.containsIgnoreCase(keyword))
                             .or(creatorTag.tag.containsIgnoreCase(keyword))
                     )
                     .and(blockMember.id.isNull)
             )
-            .groupBy(member.id)
+            .groupBy(member.id, creatorName.name.displayName)
             .orderBy(member.id.desc())
             .offset(offset)
             .limit(limit)
@@ -131,7 +137,7 @@ class SearchRepository(
             .and(audioContent.duration.isNotNull)
             .and(
                 audioContent.title.containsIgnoreCase(keyword)
-                    .or(member.nickname.containsIgnoreCase(keyword))
+                    .or(creatorNameContains(member, keyword))
                     .or(audioContent.detail.containsIgnoreCase(keyword))
                     .or(audioContent.theme.theme.containsIgnoreCase(keyword))
                     .or(hashTag.tag.containsIgnoreCase(keyword).and(audioContentHashTag.isActive.isTrue))
@@ -177,7 +183,8 @@ class SearchRepository(
         isAdult: Boolean,
         contentType: ContentType,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang = Lang.KO
     ): List<SearchResponseItem> {
         val blockMemberCondition = blockMember.isActive.isTrue
             .and(
@@ -196,7 +203,7 @@ class SearchRepository(
             .and(audioContent.duration.isNotNull)
             .and(
                 audioContent.title.containsIgnoreCase(keyword)
-                    .or(member.nickname.containsIgnoreCase(keyword))
+                    .or(creatorNameContains(member, keyword))
                     .or(audioContent.detail.containsIgnoreCase(keyword))
                     .or(audioContent.theme.theme.containsIgnoreCase(keyword))
                     .or(hashTag.tag.containsIgnoreCase(keyword).and(audioContentHashTag.isActive.isTrue))
@@ -222,23 +229,25 @@ class SearchRepository(
             }
         }
 
+        val creatorName = CreatorNameJoin(member, lang, "searchContentCreatorName")
         return queryFactory
             .select(
                 QSearchResponseItem(
                     audioContent.id,
                     audioContent.coverImage.prepend("/").prepend(imageHost),
                     audioContent.title,
-                    audioContent.member.nickname
+                    creatorName.displayName
                 )
             )
             .from(audioContent)
             .innerJoin(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(audioContentTheme).on(audioContentTheme.id.eq(audioContent.theme.id))
             .leftJoin(audioContentHashTag).on(audioContentHashTag.audioContent.id.eq(audioContent.id))
             .leftJoin(hashTag).on(audioContentHashTag.hashTag.id.eq(hashTag.id))
             .leftJoin(blockMember).on(blockMemberCondition)
             .where(where)
-            .groupBy(audioContent.id)
+            .groupBy(audioContent.id, member.id, creatorName.name.displayName)
             .orderBy(audioContent.id.desc())
             .offset(offset)
             .limit(limit)
@@ -270,7 +279,7 @@ class SearchRepository(
             .and(audioContent.limited.isNull)
             .and(
                 series.title.containsIgnoreCase(keyword)
-                    .or(member.nickname.containsIgnoreCase(keyword))
+                    .or(creatorNameContains(member, keyword))
                     .or(series.introduction.containsIgnoreCase(keyword))
                     .or(seriesGenre.genre.containsIgnoreCase(keyword))
                     .or(hashTag.tag.containsIgnoreCase(keyword).and(seriesKeyword.isActive.isTrue))
@@ -319,7 +328,8 @@ class SearchRepository(
         isAdult: Boolean,
         contentType: ContentType,
         offset: Long,
-        limit: Long
+        limit: Long,
+        lang: Lang = Lang.KO
     ): List<SearchResponseItem> {
         val blockMemberCondition = blockMember.isActive.isTrue
             .and(
@@ -340,7 +350,7 @@ class SearchRepository(
             .and(audioContent.limited.isNull)
             .and(
                 series.title.containsIgnoreCase(keyword)
-                    .or(member.nickname.containsIgnoreCase(keyword))
+                    .or(creatorNameContains(member, keyword))
                     .or(series.introduction.containsIgnoreCase(keyword))
                     .or(seriesGenre.genre.containsIgnoreCase(keyword))
                     .or(hashTag.tag.containsIgnoreCase(keyword).and(seriesKeyword.isActive.isTrue))
@@ -367,25 +377,27 @@ class SearchRepository(
             }
         }
 
+        val creatorName = CreatorNameJoin(member, lang, "searchSeriesCreatorName")
         return queryFactory
             .select(
                 QSearchResponseItem(
                     series.id,
                     series.coverImage.prepend("/").prepend(imageHost),
                     series.title,
-                    series.member.nickname
+                    creatorName.displayName
                 )
             )
             .from(seriesContent)
             .innerJoin(seriesContent.series, series)
             .innerJoin(seriesContent.content, audioContent)
             .innerJoin(series.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(seriesGenre).on(seriesGenre.id.eq(series.genre.id))
             .leftJoin(seriesKeyword).on(seriesKeyword.series.id.eq(series.id))
             .leftJoin(hashTag).on(hashTag.id.eq(seriesKeyword.keyword.id))
             .leftJoin(blockMember).on(blockMemberCondition)
             .where(where)
-            .groupBy(series.id, series.orders)
+            .groupBy(series.id, series.orders, member.id, creatorName.name.displayName)
             .orderBy(series.orders.asc())
             .offset(offset)
             .limit(limit)

src/main/kotlin/kr/co/vividnext/sodalive/search/SearchService.kt

@@ -1,11 +1,12 @@
 package kr.co.vividnext.sodalive.search
 
 import kr.co.vividnext.sodalive.content.ContentType
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import org.springframework.stereotype.Service
 
 @Service
-class SearchService(private val repository: SearchRepository) {
+class SearchService(private val repository: SearchRepository, private val langContext: LangContext) {
     fun searchUnified(
         keyword: String,
         isAdult: Boolean,
@@ -16,7 +17,8 @@ class SearchService(private val repository: SearchRepository) {
             keyword = keyword,
             memberId = member.id!!,
             offset = 0,
-            limit = 3
+            limit = 3,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.CREATOR
@@ -29,7 +31,8 @@ class SearchService(private val repository: SearchRepository) {
             isAdult = isAdult,
             contentType = contentType,
             offset = 0,
-            limit = 3
+            limit = 3,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.CONTENT
@@ -42,7 +45,8 @@ class SearchService(private val repository: SearchRepository) {
             isAdult = isAdult,
             contentType = contentType,
             offset = 0,
-            limit = 3
+            limit = 3,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.SERIES
@@ -67,7 +71,8 @@ class SearchService(private val repository: SearchRepository) {
             keyword = keyword,
             memberId = member.id!!,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.CREATOR
@@ -98,7 +103,8 @@ class SearchService(private val repository: SearchRepository) {
             isAdult = isAdult,
             contentType = contentType,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.CONTENT
@@ -129,7 +135,8 @@ class SearchService(private val repository: SearchRepository) {
             isAdult = isAdult,
             contentType = contentType,
             offset = offset,
-            limit = limit
+            limit = limit,
+            lang = langContext.lang
         )
             .map {
                 it.type = SearchResponseType.SERIES

src/test/kotlin/kr/co/vividnext/sodalive/api/home/HomeServiceTest.kt

@@ -18,6 +18,7 @@ import kr.co.vividnext.sodalive.query.recommend.RecommendChannelQueryService
 import kr.co.vividnext.sodalive.rank.ContentRankingSortType
 import kr.co.vividnext.sodalive.rank.RankingRepository
 import kr.co.vividnext.sodalive.rank.RankingService
+import kr.co.vividnext.sodalive.support.originalLocalizedNameService
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
@@ -68,6 +69,7 @@ class HomeServiceTest {
             rankingRepository = rankingRepository,
             explorerQueryRepository = explorerQueryRepository,
             langContext = LangContext().apply { setLang(Lang.JA) },
+            localizedNameService = originalLocalizedNameService(),
             memberContentPreferenceService = Mockito.mock(
                 kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService::class.java
             ),
@@ -99,7 +101,7 @@ class HomeServiceTest {
 
         Mockito.doReturn(emptyList<Any>()).`when`(liveRoomService)
             .getRoomList(null, LiveRoomStatus.NOW, Pageable.ofSize(10), null, timezone)
-        Mockito.`when`(rankingRepository.getCreatorRankings(null)).thenReturn(emptyList())
+        Mockito.`when`(rankingRepository.getCreatorRankings(null, Lang.JA)).thenReturn(emptyList())
         Mockito.`when`(
             contentThemeService.getActiveThemeOfContent(
                 false,

src/test/kotlin/kr/co/vividnext/sodalive/can/CanServiceTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.can
 
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.common.CountryContext
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
@@ -22,7 +23,7 @@ class CanServiceTest {
     fun setUp() {
         repository = mock(CanRepository::class.java)
         countryContext = mock(CountryContext::class.java)
-        service = CanService(repository, countryContext)
+        service = CanService(repository, countryContext, LangContext())
     }
 
     @Test

src/test/kotlin/kr/co/vividnext/sodalive/content/AudioContentRepositoryLocalizedNameTest.kt

@@ -0,0 +1,328 @@
+package kr.co.vividnext.sodalive.content
+
+import kr.co.vividnext.sodalive.admin.content.series.genre.SeriesGenre
+import kr.co.vividnext.sodalive.configs.QueryDslConfig
+import kr.co.vividnext.sodalive.content.main.curation.AudioContentCuration
+import kr.co.vividnext.sodalive.content.main.curation.AudioContentCurationItem
+import kr.co.vividnext.sodalive.content.main.curation.AudioContentCurationQueryRepository
+import kr.co.vividnext.sodalive.content.order.Order
+import kr.co.vividnext.sodalive.content.order.OrderType
+import kr.co.vividnext.sodalive.content.series.ContentSeriesRepository
+import kr.co.vividnext.sodalive.content.series.translation.SeriesTranslation
+import kr.co.vividnext.sodalive.content.series.translation.SeriesTranslationPayload
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.content.translation.ContentTranslation
+import kr.co.vividnext.sodalive.content.translation.ContentTranslationPayload
+import kr.co.vividnext.sodalive.creator.admin.content.series.Series
+import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesContent
+import kr.co.vividnext.sodalive.explorer.CreatorRanking
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.block.BlockMember
+import kr.co.vividnext.sodalive.rank.RankingRepository
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotEquals
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.context.annotation.Import
+import org.springframework.jdbc.core.JdbcTemplate
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@DataJpaTest(
+    properties = [
+        "spring.cache.type=none",
+        "spring.datasource.url=jdbc:h2:mem:legacy-content-owner-name;MODE=MySQL;NON_KEYWORDS=VALUE;DB_CLOSE_ON_EXIT=FALSE"
+    ]
+)
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+@Import(QueryDslConfig::class, RankingRepository::class, AudioContentCurationQueryRepository::class)
+class AudioContentRepositoryLocalizedNameTest @Autowired constructor(
+    private val repository: AudioContentRepository,
+    private val seriesRepository: ContentSeriesRepository,
+    private val rankingRepository: RankingRepository,
+    private val curationRepository: AudioContentCurationQueryRepository,
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate
+) {
+    @Test
+    @DisplayName("JA 메인 콘텐츠 조회는 콘텐츠 ID가 아닌 실제 소유자 ID로 크리에이터 이름만 대체한다")
+    fun shouldLocalizeCurrentOwnerNameByCreatorIdWithoutChangingContentTitleOrUserName() {
+        val viewer = saveMember("owner-query-viewer", MemberRole.USER)
+        val creator = saveMember("owner-original", MemberRole.CREATOR)
+        val user = saveMember("user-original", MemberRole.USER)
+        val creatorContent = saveContent(creator, "Original audio title").takeIf { it.id != creator.id }
+            ?: saveContent(creator, "Original audio title")
+        val userContent = saveContent(user, "User audio title")
+        saveAlias(creator, "Japanese owner")
+        saveAlias(user, "Must not replace USER")
+        entityManager.clear()
+        assertNotEquals(creator.id, creatorContent.id)
+
+        val items = findLatest(viewer.id!!, "ja").associateBy { it.contentId }
+
+        assertAll(
+            { assertEquals("Japanese owner", items[creatorContent.id]!!.creatorNickname) },
+            { assertEquals(creator.id, items[creatorContent.id]!!.creatorId) },
+            { assertEquals("Original audio title", items[creatorContent.id]!!.title) },
+            { assertEquals("user-original", items[userContent.id]!!.creatorNickname) },
+            { assertEquals("User audio title", items[userContent.id]!!.title) },
+            {
+                assertEquals(
+                    "owner-original",
+                    findLatest(viewer.id!!, "ko").first { it.contentId == creatorContent.id }.creatorNickname
+                )
+            },
+            {
+                assertEquals(
+                    "owner-original",
+                    findLatest(viewer.id!!, "en").first { it.contentId == creatorContent.id }.creatorNickname
+                )
+            }
+        )
+    }
+
+    @Test
+    @DisplayName("메인 콘텐츠 이름 대체는 공개 필터를 유지하고 해제 후 변경된 현재 원본으로 돌아간다")
+    fun shouldPreserveVisibilityFiltersAndFallbackToRenamedOriginalAfterSoftClear() {
+        val viewer = saveMember("visibility-query-viewer", MemberRole.USER)
+        val creator = saveMember("before-rename", MemberRole.CREATOR)
+        val visible = saveContent(creator, "visible title")
+        saveContent(creator, "future title").releaseDate = LocalDateTime.now().plusDays(1)
+        saveContent(creator, "adult title").isAdult = true
+        saveContent(creator, "inactive title").isActive = false
+        saveContent(creator, "unfinished title").duration = null
+        val blockedCreator = saveMember("blocked-owner", MemberRole.CREATOR)
+        saveContent(blockedCreator, "blocked title")
+        entityManager.persist(
+            BlockMember(isActive = true).apply {
+                member = blockedCreator
+                blockedMember = viewer
+            }
+        )
+        saveAlias(creator, "Retained owner alias")
+        saveAlias(blockedCreator, "Blocked owner alias")
+        creator.nickname = "renamed-original"
+        entityManager.flush()
+        entityManager.clear()
+
+        val activeItems = findLatest(viewer.id!!, "ja")
+        assertEquals(listOf(visible.id), activeItems.map { it.contentId })
+        assertEquals("Retained owner alias", activeItems.single().creatorNickname)
+
+        jdbcTemplate.update(
+            "update creator_localized_name set is_active = false where member_id = ? and lang = 'JA'",
+            creator.id!!
+        )
+        entityManager.clear()
+        assertEquals("renamed-original", findLatest(viewer.id!!, "ja").single().creatorNickname)
+    }
+
+    @Test
+    @DisplayName("테마 공유 조회는 요청한 KO·JA 별칭과 기존 제목을 반환한다")
+    fun shouldLocalizeThemeNamesByRequestedLanguageWithoutChangingTitle() {
+        val viewer = saveMember("raw-theme-viewer", MemberRole.USER)
+        val creator = saveMember("raw-theme-original", MemberRole.CREATOR)
+        val content = saveContent(creator, "Unchanged theme title")
+        saveAlias(creator, "Japanese theme owner")
+        saveAlias(creator, "Korean theme owner", Lang.KO)
+        entityManager.clear()
+
+        val names = listOf(
+            Lang.KO to "Korean theme owner",
+            Lang.JA to "Japanese theme owner"
+        )
+        for ((lang, expected) in names) {
+            val item = repository.findByTheme(memberId = viewer.id!!, contentType = ContentType.ALL, lang = lang).single()
+            assertEquals(content.id, item.contentId)
+            assertEquals(expected, item.creatorNickname)
+            assertEquals("Unchanged theme title", item.title)
+        }
+    }
+
+    @Test
+    @DisplayName("큐레이션 조회는 활성 KO·JA 별칭이 있어도 원본 닉네임을 반환한다")
+    fun shouldKeepCurationNamesRawWithActiveAliases() {
+        val creator = saveMember("raw-curation-original", MemberRole.CREATOR)
+        val curation = AudioContentCuration(title = "curation", description = "description")
+            .also { entityManager.persist(it) }
+        val content = saveContent(creator, "Unchanged curation title").apply { this.curation = curation }
+        entityManager.persist(
+            AudioContentCurationItem().apply {
+                this.curation = curation
+                this.content = content
+            }
+        )
+        saveAlias(creator, "Japanese curation owner")
+        saveAlias(creator, "Korean curation owner", Lang.KO)
+        entityManager.clear()
+
+        val results = listOf(
+            repository.findContentByCurationId(curation.id!!, false, ContentType.ALL),
+            curationRepository.findByCurationId(curation.id!!, "https://cdn.test", contentType = ContentType.ALL)
+        )
+        for (items in results) {
+            assertEquals(content.id, items.single().contentId)
+            assertEquals("raw-curation-original", items.single().creatorNickname)
+            assertEquals("Unchanged curation title", items.single().title)
+        }
+    }
+
+    @Test
+    @DisplayName("랭킹 공유 조회는 요청한 KO·JA 별칭과 제목 번역·원본 fallback을 반환한다")
+    fun shouldLocalizeRankingNamesAndTitlesByRequestedLocale() {
+        val viewer = saveMember("raw-rank-viewer", MemberRole.USER)
+        val creator = saveMember("raw-rank-original", MemberRole.CREATOR).apply { profileImage = "profile.png" }
+        val content = saveContent(creator, "Original ranking title")
+        entityManager.persist(CreatorRanking(ranking = 1).apply { member = creator })
+        entityManager.persist(
+            Order(type = OrderType.KEEP).apply {
+                member = viewer
+                this.creator = creator
+                audioContent = content
+            }
+        )
+        entityManager.persist(
+            ContentTranslation(content.id!!, "ja", ContentTranslationPayload("Translated ranking title", "detail", ""))
+        )
+        saveAlias(creator, "Japanese ranking owner")
+        saveAlias(creator, "Korean ranking owner", Lang.KO)
+        // H2 JSON 컬럼에 문자열이 아닌 JSON 객체를 적재한다.
+        jdbcTemplate.update(
+            "update content_translation set rendered_payload = ? format json where content_id = ? and locale = 'ja'",
+            """{"title":"Translated ranking title","detail":"detail","tags":""}""",
+            content.id!!
+        )
+        entityManager.clear()
+
+        val names = listOf(
+            Triple(Lang.KO, "Korean ranking owner", "Original ranking title"),
+            Triple(Lang.JA, "Japanese ranking owner", "Translated ranking title")
+        )
+        for ((lang, expected, expectedTitle) in names) {
+            assertEquals(expected, rankingRepository.getCreatorRankings(viewer.id, lang).single().nickname)
+            val item = rankingRepository.getAudioContentRanking(
+                memberId = viewer.id,
+                isAdult = false,
+                contentType = ContentType.ALL,
+                startDate = LocalDateTime.now().minusDays(1),
+                endDate = LocalDateTime.now().plusDays(1),
+                offset = 0,
+                limit = 10,
+                sortType = "판매량",
+                locale = lang.code
+            ).single()
+            assertEquals(expected, item.creatorNickname)
+            assertEquals(expectedTitle, item.title)
+        }
+        assertEquals(
+            "Korean ranking owner",
+            rankingRepository.getCreatorRankings(viewer.id).single().nickname
+        )
+    }
+
+    @Test
+    @DisplayName("오리지널 시리즈 공유 조회는 요청한 언어의 제목 번역·원본 fallback을 반환한다")
+    fun shouldLocalizeOriginalSeriesTitlesByRequestedLocale() {
+        val creator = saveMember("raw-series-original", MemberRole.CREATOR)
+        val content = saveContent(creator, "Series content")
+        val genre = SeriesGenre(genre = "genre").also { entityManager.persist(it) }
+        val series = Series(title = "Original series title", introduction = "introduction", isOriginal = true).apply {
+            member = creator
+            this.genre = genre
+            coverImage = "series.png"
+            entityManager.persist(this)
+        }
+        entityManager.persist(
+            SeriesContent().apply {
+                this.series = series
+                this.content = content
+            }
+        )
+        entityManager.persist(
+            SeriesTranslation(series.id!!, "ja", SeriesTranslationPayload("Translated series title", "intro", emptyList()))
+        )
+        entityManager.flush()
+        // H2 JSON 컬럼에 문자열이 아닌 JSON 객체를 적재한다.
+        jdbcTemplate.update(
+            "update series_translation set rendered_payload = ? format json where series_id = ? and locale = 'ja'",
+            """{"title":"Translated series title","introduction":"intro","keywords":[]}""",
+            series.id!!
+        )
+        entityManager.clear()
+
+        val titles = listOf(
+            "ja" to "Translated series title",
+            "ko" to "Original series title"
+        )
+        for ((locale, expectedTitle) in titles) {
+            val localized = seriesRepository.getOriginalAudioDramaList(
+                imageHost = "https://cdn.test",
+                isAdult = false,
+                contentType = ContentType.ALL,
+                locale = locale
+            ).single()
+            assertEquals(expectedTitle, localized.title)
+        }
+    }
+
+    private fun findLatest(viewerId: Long, locale: String): List<AudioContentMainItem> {
+        return repository.getLatestContentByTheme(
+            memberId = viewerId,
+            theme = emptyList(),
+            contentType = ContentType.ALL,
+            offset = 0,
+            limit = 20,
+            sortType = SortType.NEWEST,
+            isFree = false,
+            isAdult = false,
+            locale = locale
+        )
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole): Member {
+        return Member(
+            email = "$nickname@test.com",
+            password = "password",
+            nickname = nickname,
+            profileImage = "profile.png",
+            role = role
+        ).also {
+            entityManager.persist(it)
+        }
+    }
+
+    private fun saveContent(creator: Member, title: String): AudioContent {
+        val theme = AudioContentTheme(theme = "theme-$title", image = "theme.png")
+        entityManager.persist(theme)
+        return AudioContent(
+            title = title,
+            detail = "detail",
+            languageCode = "ko",
+            releaseDate = LocalDateTime.now().minusDays(1)
+        ).apply {
+            member = creator
+            this.theme = theme
+            isActive = true
+            coverImage = "audio.png"
+            duration = "00:10:00"
+            entityManager.persist(this)
+        }
+    }
+
+    private fun saveAlias(member: Member, displayName: String, lang: Lang = Lang.JA) {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, ?, ?, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            lang.name,
+            displayName
+        )
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/content/AudioContentServiceTest.kt

@@ -24,6 +24,7 @@ import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.support.originalLocalizedNameService
 import kr.co.vividnext.sodalive.v2.home.following.application.HomeFollowingNewsPublishService
 import kr.co.vividnext.sodalive.v2.recommendation.application.CreatorContentViewHistoryService
 import org.junit.jupiter.api.Assertions.assertEquals
@@ -114,6 +115,7 @@ class AudioContentServiceTest {
             applicationEventPublisher = applicationEventPublisher,
             messageSource = SodaMessageSource(),
             langContext = LangContext(),
+            localizedNameService = originalLocalizedNameService(),
             contentThemeTranslationRepository = contentThemeTranslationRepository,
             homeFollowingNewsPublishService = homeFollowingNewsPublishService,
             memberContentPreferenceService = memberContentPreferenceService,

src/test/kotlin/kr/co/vividnext/sodalive/content/comment/AudioContentCommentNameMetadataTest.kt

@@ -0,0 +1,91 @@
+package kr.co.vividnext.sodalive.content.comment
+
+import kr.co.vividnext.sodalive.configs.QueryDslConfig
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.AudioContentRepository
+import kr.co.vividnext.sodalive.content.order.OrderRepository
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.fcm.FcmEvent
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
+import kr.co.vividnext.sodalive.support.LegacyCreatorNameTestConfiguration
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotEquals
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.CsvSource
+import org.mockito.ArgumentCaptor
+import org.mockito.Mockito
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.context.ApplicationEventPublisher
+import org.springframework.context.annotation.Import
+import javax.persistence.EntityManager
+
+@DataJpaTest(properties = ["spring.cache.type=none"])
+@Import(QueryDslConfig::class, LegacyCreatorNameTestConfiguration::class)
+class AudioContentCommentNameMetadataTest @Autowired constructor(
+    private val entityManager: EntityManager,
+    private val repository: AudioContentCommentRepository,
+    private val blockRepository: BlockMemberRepository,
+    private val contentRepository: AudioContentRepository,
+    private val orderRepository: OrderRepository,
+    private val localizedNameService: CreatorLocalizedNameService
+) {
+    @ParameterizedTest
+    @CsvSource("CREATOR, USER", "USER, CREATOR")
+    @DisplayName("답글 알림 제목은 부모 작성자 ID이고 snapshot 발신자 ID와 콘텐츠 제목 인자는 그대로다")
+    fun shouldKeepParentTitleOwnerSeparateFromActualCommenterAndResourceTitle(
+        parentRole: MemberRole,
+        commenterRole: MemberRole
+    ) {
+        val parentWriter = Member(nickname = "parent-original", password = "password", role = parentRole)
+        val commenter = Member(nickname = "commenter-original", password = "password", role = commenterRole)
+        val contentOwner = Member(nickname = "content-owner-original", password = "password", role = MemberRole.CREATOR)
+        entityManager.persist(parentWriter)
+        entityManager.persist(commenter)
+        entityManager.persist(contentOwner)
+        val theme = AudioContentTheme(theme = "metadata-theme", image = "theme.png")
+        entityManager.persist(theme)
+        val content = AudioContent(title = "Unchanged content title", detail = "detail", languageCode = "ko").apply {
+            member = contentOwner
+            this.theme = theme
+            isActive = true
+            entityManager.persist(this)
+        }
+        val parent = AudioContentComment(comment = "parent comment", languageCode = "ko").apply {
+            member = parentWriter
+            audioContent = content
+            entityManager.persist(this)
+        }
+        entityManager.flush()
+        val publisher = Mockito.mock(ApplicationEventPublisher::class.java)
+        val service = AudioContentCommentService(
+            repository,
+            blockRepository,
+            contentRepository,
+            publisher,
+            orderRepository,
+            SodaMessageSource(),
+            LangContext(),
+            localizedNameService,
+            "https://cdn.test"
+        )
+
+        service.registerComment(commenter, "reply", content.id!!, parent.id!!, false, "ko")
+
+        val captor = ArgumentCaptor.forClass(FcmEvent::class.java)
+        Mockito.verify(publisher).publishEvent(captor.capture())
+        val event = captor.value
+        assertNotEquals(parentWriter.id, commenter.id)
+        assertEquals(parentWriter.id, event.titleMemberId)
+        assertEquals(commenter.id, event.senderMemberId)
+        assertEquals("parent-original", event.title)
+        assertEquals(listOf("Unchanged content title"), event.args)
+        assertEquals(emptyMap<Int, Long>(), event.nameArgumentMemberIds)
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerLocalizedNameEndToEndTest.kt

@@ -0,0 +1,259 @@
+package kr.co.vividnext.sodalive.explorer
+
+import kr.co.vividnext.sodalive.admin.content.series.genre.SeriesGenre
+import kr.co.vividnext.sodalive.common.CountryContext
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.creator.admin.content.series.Series
+import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesContent
+import kr.co.vividnext.sodalive.explorer.profile.CreatorCheers
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberAdapter
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.mockito.Mockito
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.user
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.transaction.TestTransaction
+import org.springframework.test.web.servlet.MockMvc
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status
+import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@SpringBootTest(
+    properties = [
+        "cloud.aws.cloud-front.host=https://cdn.test",
+        "spring.cache.type=none",
+        "spring.datasource.url=jdbc:h2:mem:legacy-creator-name-e2e;MODE=MySQL;NON_KEYWORDS=VALUE;DB_CLOSE_ON_EXIT=FALSE"
+    ]
+)
+@AutoConfigureMockMvc
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@Transactional
+class ExplorerLocalizedNameEndToEndTest @Autowired constructor(
+    private val mockMvc: MockMvc,
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate
+) {
+    @MockBean
+    private lateinit var countryContext: CountryContext
+
+    @BeforeEach
+    fun setUp() {
+        Mockito.doReturn("US").`when`(countryContext).countryCode
+    }
+
+    @Test
+    @DisplayName("레거시 프로필 이름은 현지화하되 팬톡 작성자·답글은 활성 JA·KO 별칭이 있어도 원본을 유지한다")
+    fun shouldLocalizeProfileButKeepOriginalFanTalkWriterAndReplyNamesDespiteActiveAliases() {
+        val viewer = saveMember("profile-viewer", MemberRole.USER)
+        val creator = saveMember("profile-original", MemberRole.CREATOR).apply { isVisibleDonationRank = false }
+        val fan = saveMember("fan-original", MemberRole.USER)
+        val peer = saveMember("deleted_peer-original", MemberRole.CREATOR)
+        val fanTalk = saveCheers(fan, creator, "fan talk")
+        saveCheers(peer, creator, "creator fan talk")
+        saveCheers(creator, creator, "creator reply", parent = fanTalk)
+        saveAlias(creator, "Japanese profile")
+        saveAlias(peer, "Japanese peer")
+        saveAlias(fan, "Must not replace fan")
+        saveAlias(creator, "Korean profile", lang = "KO")
+        saveAlias(peer, "Korean peer", lang = "KO")
+        entityManager.clear()
+        commitFixture()
+
+        mockMvc.perform(
+            get("/explorer/profile/${creator.id}")
+                .param("timezone", "Asia/Seoul")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.success").value(true))
+            .andExpect(jsonPath("$.data.creator.creatorId").value(creator.id!!))
+            .andExpect(jsonPath("$.data.creator.nickname").value("Japanese profile"))
+            .andExpect(jsonPath("$.data.cheers.totalCount").value(2))
+            .andExpect(jsonPath("$.data.cheers.cheers[0].memberId").value(peer.id!!))
+            .andExpect(jsonPath("$.data.cheers.cheers[0].nickname").value("peer-original"))
+            .andExpect(jsonPath("$.data.cheers.cheers[1].nickname").value("fan-original"))
+            .andExpect(jsonPath("$.data.cheers.cheers[1].replyList[0].memberId").value(creator.id!!))
+            .andExpect(jsonPath("$.data.cheers.cheers[1].replyList[0].nickname").value("profile-original"))
+
+        listOf("ko", "en").forEach { locale ->
+            mockMvc.perform(
+                get("/explorer/profile/${creator.id}")
+                    .param("timezone", "Asia/Seoul")
+                    .header("Accept-Language", locale)
+                    .with(user(MemberAdapter(viewer)))
+            )
+                .andExpect(status().isOk)
+                .andExpect(
+                    jsonPath("$.data.creator.nickname").value(if (locale == "ko") "Korean profile" else "profile-original")
+                )
+                .andExpect(jsonPath("$.data.cheers.cheers[0].nickname").value("peer-original"))
+                .andExpect(jsonPath("$.data.cheers.cheers[1].nickname").value("fan-original"))
+                .andExpect(jsonPath("$.data.cheers.cheers[1].replyList[0].nickname").value("profile-original"))
+        }
+        assertEquals("profile-original", entityManager.find(Member::class.java, creator.id).nickname)
+    }
+
+    @Test
+    @DisplayName("JA 상세는 원본 변경 후에도 별칭을 유지하고 해제·미등록이면 현재 원본을 반환한다")
+    fun shouldKeepAliasAfterOriginalRenameAndFallbackAfterSoftClearOrMissingAlias() {
+        val viewer = saveMember("detail-viewer", MemberRole.USER)
+        val creator = saveMember("before-rename", MemberRole.CREATOR)
+        val unregistered = saveMember("unregistered-original", MemberRole.CREATOR)
+        saveAlias(creator, "Retained profile alias")
+        creator.nickname = "renamed-original"
+        entityManager.flush()
+        entityManager.clear()
+        commitFixture()
+
+        mockMvc.perform(
+            get("/explorer/profile/${creator.id}/detail")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.nickname").value("Retained profile alias"))
+
+        jdbcTemplate.update(
+            "update creator_localized_name set is_active = false where member_id = ? and lang = 'JA'",
+            creator.id!!
+        )
+        entityManager.clear()
+        mockMvc.perform(
+            get("/explorer/profile/${creator.id}/detail")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.nickname").value("renamed-original"))
+        mockMvc.perform(
+            get("/explorer/profile/${unregistered.id}/detail")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.nickname").value("unregistered-original"))
+    }
+
+    @Test
+    @DisplayName("통합 검색은 creator 제목·닉네임만 JA 이름으로 바꾸고 콘텐츠·시리즈 제목과 소유자 ID를 구분한다")
+    fun shouldLocalizeCreatorSearchTitleAndAllOwnerNamesWithoutReplacingContentOrSeriesTitles() {
+        val viewer = saveMember("unified-viewer", MemberRole.USER)
+        saveMember("unused-member", MemberRole.USER)
+        val creator = saveMember("unified-original", MemberRole.CREATOR)
+        val theme = AudioContentTheme(theme = "unified-theme", image = "theme.png")
+        entityManager.persist(theme)
+        val content = AudioContent(
+            title = "Unchanged content title",
+            detail = "description",
+            languageCode = "ko",
+            releaseDate = LocalDateTime.now().minusDays(1)
+        ).apply {
+            member = creator
+            this.theme = theme
+            isActive = true
+            coverImage = "audio.png"
+            duration = "00:10:00"
+            entityManager.persist(this)
+        }
+        val genre = SeriesGenre(genre = "unified-genre", isAdult = false, isActive = true)
+        entityManager.persist(genre)
+        val series = Series(title = "Unchanged series title", introduction = "introduction").apply {
+            member = creator
+            this.genre = genre
+            coverImage = "series.png"
+            entityManager.persist(this)
+        }
+        entityManager.persist(
+            SeriesContent().apply {
+                this.series = series
+                this.content = content
+            }
+        )
+        saveAlias(creator, "Japanese unified creator")
+        entityManager.clear()
+        assertNotEquals(creator.id, content.id)
+        assertNotEquals(creator.id, series.id)
+        commitFixture()
+
+        mockMvc.perform(
+            get("/search")
+                .param("keyword", "unified-original")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.success").value(true))
+            .andExpect(jsonPath("$.data.creatorList[0].id").value(creator.id!!))
+            .andExpect(jsonPath("$.data.creatorList[0].title").value("Japanese unified creator"))
+            .andExpect(jsonPath("$.data.creatorList[0].nickname").value("Japanese unified creator"))
+            .andExpect(jsonPath("$.data.contentList[0].id").value(content.id!!))
+            .andExpect(jsonPath("$.data.contentList[0].title").value("Unchanged content title"))
+            .andExpect(jsonPath("$.data.contentList[0].nickname").value("Japanese unified creator"))
+            .andExpect(jsonPath("$.data.seriesList[0].id").value(series.id!!))
+            .andExpect(jsonPath("$.data.seriesList[0].title").value("Unchanged series title"))
+            .andExpect(jsonPath("$.data.seriesList[0].nickname").value("Japanese unified creator"))
+
+        mockMvc.perform(
+            get("/search/creators")
+                .param("keyword", "Japanese unified")
+                .header("Accept-Language", "ko")
+                .with(user(MemberAdapter(viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(1))
+            .andExpect(jsonPath("$.data.items[0].title").value("unified-original"))
+            .andExpect(jsonPath("$.data.items[0].nickname").value("unified-original"))
+    }
+
+    private fun commitFixture() {
+        TestTransaction.flagForCommit()
+        TestTransaction.end()
+        TestTransaction.start()
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole): Member {
+        return Member(
+            email = "$nickname@test.com",
+            password = "password",
+            nickname = nickname,
+            profileImage = "$nickname.png",
+            role = role
+        ).also { entityManager.persist(it) }
+    }
+
+    private fun saveCheers(writer: Member, creator: Member, text: String, parent: CreatorCheers? = null): CreatorCheers {
+        return CreatorCheers(cheers = text, languageCode = "ko").apply {
+            member = writer
+            this.creator = creator
+            this.parent = parent
+            entityManager.persist(this)
+        }
+    }
+
+    private fun saveAlias(member: Member, displayName: String, lang: String = "JA") {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, ?, ?, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            lang,
+            displayName
+        )
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerQueryRepositoryLocalizedNameTest.kt

@@ -0,0 +1,90 @@
+package kr.co.vividnext.sodalive.explorer
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.configs.QueryDslConfig
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.SodaMessageSource
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.context.annotation.Import
+import org.springframework.jdbc.core.JdbcTemplate
+import javax.persistence.EntityManager
+
+@DataJpaTest(properties = ["spring.cache.type=none"])
+@Import(QueryDslConfig::class)
+class ExplorerQueryRepositoryLocalizedNameTest @Autowired constructor(
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate,
+    queryFactory: JPAQueryFactory
+) {
+    private val langContext = LangContext().apply { setLang(Lang.KO) }
+    private val repository = ExplorerQueryRepository(queryFactory, SodaMessageSource(), langContext, "https://cdn.test")
+
+    @Test
+    @DisplayName("KO 채널 검색도 원본 또는 활성 JA 이름을 찾고 self·비활성·USER를 제외한다")
+    fun shouldSearchOriginalOrActiveJaAliasInKoWithoutBypassingChannelFilters() {
+        val viewer = saveMember("Comet-viewer")
+        val original = saveMember("Comet-original")
+        val aliasOnly = saveMember("another-original")
+        val inactive = saveMember("Comet-inactive").apply { isActive = false }
+        val user = saveMember("Comet-user", MemberRole.USER)
+        listOf(viewer, original, aliasOnly, inactive, user).forEach { saveAlias(it, "Comet alias") }
+        entityManager.clear()
+
+        assertAll(
+            {
+                assertEquals(
+                    setOf(original.id, aliasOnly.id),
+                    repository.getSearchChannel("cOmEt", viewer.id!!).map { it.id }.toSet()
+                )
+            },
+            { assertEquals(2, repository.getSearchChannel("cOmEt", viewer.id!!).size) },
+            { assertEquals(listOf(original.id), repository.getSearchChannel("Comet-original", viewer.id!!).map { it.id }) }
+        )
+    }
+
+    @Test
+    @DisplayName("채널 검색은 해제한 JA와 EN 이름을 제외하고 동일 행 재활성화 후 별칭을 다시 찾는다")
+    fun shouldIgnoreSoftClearedAndNonJaChannelAliasesAndSearchReactivatedAlias() {
+        val viewer = saveMember("channel-viewer", MemberRole.USER)
+        val creator = saveMember("channel-original")
+        saveAlias(creator, "ChannelAlias", isActive = false)
+        saveAlias(creator, "EnglishChannel", lang = "EN")
+        entityManager.clear()
+
+        assertEquals(emptyList<Long>(), repository.getSearchChannel("ChannelAlias", viewer.id!!).map { it.id })
+        assertEquals(emptyList<Long>(), repository.getSearchChannel("EnglishChannel", viewer.id!!).map { it.id })
+        assertEquals(listOf(creator.id), repository.getSearchChannel("channel-original", viewer.id!!).map { it.id })
+        jdbcTemplate.update(
+            "update creator_localized_name set is_active = true where member_id = ? and lang = 'JA'",
+            creator.id!!
+        )
+
+        assertEquals(listOf(creator.id), repository.getSearchChannel("ChannelAlias", viewer.id!!).map { it.id })
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole = MemberRole.CREATOR): Member {
+        return Member(email = "$nickname@test.com", password = "password", nickname = nickname, role = role).also {
+            entityManager.persist(it)
+        }
+    }
+
+    private fun saveAlias(member: Member, displayName: String, isActive: Boolean = true, lang: String = "JA") {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            lang,
+            displayName,
+            isActive
+        )
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerServiceTest.kt

@@ -11,12 +11,15 @@ import kr.co.vividnext.sodalive.explorer.profile.CreatorDonationRankingService
 import kr.co.vividnext.sodalive.explorer.profile.PutWriteCheersRequest
 import kr.co.vividnext.sodalive.explorer.profile.channelDonation.ChannelDonationService
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.CreatorCommunityService
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.MemberService
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
+import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertThrows
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
@@ -42,7 +45,28 @@ class ExplorerServiceTest {
         }
     }
 
-    private fun createService(queryRepository: ExplorerQueryRepository): ExplorerService {
+    @Test
+    @DisplayName("팬톡 수정 응답은 별칭 대신 작성자 원본 이름을 반환하고 deleted_ 접두사만 제거한다")
+    fun shouldKeepOriginalWriterNameAndRemoveDeletedPrefixWhenModifyingCheers() {
+        val queryRepository = Mockito.mock(ExplorerQueryRepository::class.java)
+        val localizedNameService = Mockito.mock(CreatorLocalizedNameService::class.java)
+        val service = createService(queryRepository, localizedNameService)
+        val writer = createMember(id = 10L, nickname = "deleted_writer", role = MemberRole.CREATOR)
+        val cheers = createCheers(writer, createMember(id = 20L, nickname = "creator", role = MemberRole.CREATOR))
+        Mockito.doReturn(cheers).`when`(queryRepository).getCheers(101L)
+        Mockito.`when`(localizedNameService.findLocalizedNames(listOf(10L), Lang.JA)).thenReturn(mapOf(10L to "alias"))
+
+        val response = service.modifyCheers(PutWriteCheersRequest(cheersId = 101L, content = "modified"), writer)
+
+        assertEquals("writer", response.writerNickname)
+        assertEquals("modified", response.content)
+        Mockito.verifyNoInteractions(localizedNameService)
+    }
+
+    private fun createService(
+        queryRepository: ExplorerQueryRepository,
+        localizedNameService: CreatorLocalizedNameService = Mockito.mock(CreatorLocalizedNameService::class.java)
+    ): ExplorerService {
         return ExplorerService(
             memberService = Mockito.mock(MemberService::class.java),
             memberContentPreferenceService = Mockito.mock(MemberContentPreferenceService::class.java),
@@ -57,7 +81,8 @@ class ExplorerServiceTest {
             applicationEventPublisher = Mockito.mock(ApplicationEventPublisher::class.java),
             contentTranslationRepository = Mockito.mock(ContentTranslationRepository::class.java),
             messageSource = Mockito.mock(SodaMessageSource::class.java),
-            langContext = Mockito.mock(LangContext::class.java),
+            langContext = LangContext().apply { setLang(Lang.JA) },
+            localizedNameService = localizedNameService,
             cloudFrontHost = "https://cdn.test"
         )
     }

src/test/kotlin/kr/co/vividnext/sodalive/explorer/profile/channelDonation/ChannelDonationMessageRepositoryTest.kt

@@ -72,9 +72,9 @@ class ChannelDonationMessageRepositoryTest @Autowired constructor(
 
         // then: 비공개 타인 메시지는 제외되고, createdAt desc/id desc 정렬이 적용돼야 한다.
         assertEquals(3, list.size)
-        assertEquals(secretMine.id, list[0].id)
+        assertEquals(secretMine.id, list[0].first.id)
-        assertEquals(publicTieSecond.id, list[1].id)
+        assertEquals(publicTieSecond.id, list[1].first.id)
-        assertEquals(publicTieFirst.id, list[2].id)
+        assertEquals(publicTieFirst.id, list[2].first.id)
         assertEquals(3, totalCount)
     }
 
@@ -127,9 +127,9 @@ class ChannelDonationMessageRepositoryTest @Autowired constructor(
 
         // then: 본인 조회는 비공개 메시지를 포함하고 최신순으로 반환해야 한다.
         assertEquals(3, list.size)
-        assertEquals(recentSecretOther.id, list[0].id)
+        assertEquals(recentSecretOther.id, list[0].first.id)
-        assertEquals(recentSecretMine.id, list[1].id)
+        assertEquals(recentSecretMine.id, list[1].first.id)
-        assertEquals(recentPublic.id, list[2].id)
+        assertEquals(recentPublic.id, list[2].first.id)
         assertEquals(3, totalCount)
     }
 
@@ -138,7 +138,7 @@ class ChannelDonationMessageRepositoryTest @Autowired constructor(
     fun shouldFetchMemberWithDonationMessages() {
         // given: 크리에이터/후원자와 조회 대상 메시지를 준비한다.
         val creator = saveMember(nickname = "creator3", role = MemberRole.CREATOR)
-        val viewer = saveMember(nickname = "viewer3", role = MemberRole.USER)
+        val viewer = saveMember(nickname = "deleted_viewer3", role = MemberRole.USER)
         val message = saveMessage(member = viewer, creator = creator, can = 1, isSecret = false)
         val monthStart = LocalDateTime.now().withDayOfMonth(1).toLocalDate().atStartOfDay()
         val nextMonthStart = monthStart.plusMonths(1)
@@ -160,8 +160,9 @@ class ChannelDonationMessageRepositoryTest @Autowired constructor(
 
         // then: 조회 결과의 후원자 정보는 세션 없이도 접근 가능해야 한다.
         assertEquals(1, list.size)
-        assertEquals(viewer.id, list[0].member!!.id)
+        assertEquals(viewer.id, list[0].first.member!!.id)
-        assertEquals("viewer3", list[0].member!!.nickname)
+        assertEquals("deleted_viewer3", list[0].first.member!!.nickname)
+        assertEquals("viewer3", list[0].second)
     }
 
     private fun saveMember(nickname: String, role: MemberRole): Member {

src/test/kotlin/kr/co/vividnext/sodalive/explorer/profile/channelDonation/ChannelDonationServiceTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.explorer.profile.channelDonation
 
 import kr.co.vividnext.sodalive.can.payment.CanPaymentService
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
@@ -97,9 +98,10 @@ class ChannelDonationServiceTest {
                 Mockito.eq(0L),
                 Mockito.eq(5L),
                 anyLocalDateTime(),
-                anyLocalDateTime()
+                anyLocalDateTime(),
+                Mockito.eq(Lang.KO) ?: Lang.KO
             )
-        ).thenReturn(listOf(message))
+        ).thenReturn(listOf(message to viewer.nickname))
 
         // when: 채널 후원 목록 조회를 실행한다.
         val result = service.getChannelDonationList(
@@ -129,7 +131,8 @@ class ChannelDonationServiceTest {
             Mockito.eq(0L),
             Mockito.eq(5L),
             anyLocalDateTime(),
-            anyLocalDateTime()
+            anyLocalDateTime(),
+            Mockito.eq(Lang.KO) ?: Lang.KO
         )
 
         // then: 월 시작/다음 달 시작 범위를 사용해야 한다.
@@ -181,9 +184,10 @@ class ChannelDonationServiceTest {
                 Mockito.eq(0L),
                 Mockito.eq(5L),
                 anyLocalDateTime(),
-                anyLocalDateTime()
+                anyLocalDateTime(),
+                Mockito.eq(Lang.KO) ?: Lang.KO
             )
-        ).thenReturn(listOf(message))
+        ).thenReturn(listOf(message to "withdrawn"))
 
         // when: 채널 후원 목록 조회를 실행한다.
         val result = service.getChannelDonationList(
@@ -228,9 +232,10 @@ class ChannelDonationServiceTest {
                 Mockito.eq(0L),
                 Mockito.eq(5L),
                 anyLocalDateTime(),
-                anyLocalDateTime()
+                anyLocalDateTime(),
+                Mockito.eq(Lang.KO) ?: Lang.KO
             )
-        ).thenReturn(listOf(message))
+        ).thenReturn(listOf(message to viewer.nickname))
 
         // when: 목록 조회를 실행한다.
         val result = service.getChannelDonationList(
@@ -275,7 +280,8 @@ class ChannelDonationServiceTest {
                 Mockito.eq(0L),
                 Mockito.eq(5L),
                 anyLocalDateTime(),
-                anyLocalDateTime()
+                anyLocalDateTime(),
+                Mockito.eq(Lang.KO) ?: Lang.KO
             )
         ).thenReturn(emptyList())
 
@@ -302,7 +308,8 @@ class ChannelDonationServiceTest {
             Mockito.eq(0L),
             Mockito.eq(5L),
             anyLocalDateTime(),
-            anyLocalDateTime()
+            anyLocalDateTime(),
+            Mockito.eq(Lang.KO) ?: Lang.KO
         )
 
         // then: 월 시작/다음 달 시작 범위를 사용해야 한다.

src/test/kotlin/kr/co/vividnext/sodalive/explorer/profile/creatorCommunity/CreatorCommunityServiceTest.kt

@@ -150,6 +150,7 @@ class CreatorCommunityServiceTest {
         assertEquals(FcmEventType.INDIVIDUAL, event.type)
         assertEquals(PushNotificationCategory.COMMUNITY, event.category)
         assertEquals("creator.community.fcm.new_comment", event.messageKey)
+        assertEquals(commenter.id, event.titleMemberId)
         assertEquals(commenter.id, event.senderMemberId)
         assertEquals(listOf(creator.id!!), event.recipients)
         assertEquals(FcmDeepLinkValue.COMMUNITY, event.deepLinkValue)

src/test/kotlin/kr/co/vividnext/sodalive/live/recommend/LiveRecommendRepositoryTest.kt

@@ -94,7 +94,8 @@ class LiveRecommendRepositoryTest @Autowired constructor(
             memberId = viewer.id!!,
             offset = 0,
             limit = 20,
-            isBlocked = { false }
+            isBlocked = { false },
+            lang = Lang.KO
         )
 
         assertEquals(2, result.size)

src/test/kotlin/kr/co/vividnext/sodalive/live/recommend/LiveRecommendServiceTest.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.live.recommend
 
 import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.auth.Auth
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
@@ -28,7 +29,8 @@ class LiveRecommendServiceTest {
             repository = repository,
             blockMemberRepository = blockMemberRepository,
             memberContentPreferenceService = memberContentPreferenceService,
-            liveRecommendCacheService = liveRecommendCacheService
+            liveRecommendCacheService = liveRecommendCacheService,
+            langContext = LangContext()
         )
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomLocalizedNameIntegrationTest.kt

@@ -0,0 +1,523 @@
+package kr.co.vividnext.sodalive.live.room
+
+import kr.co.vividnext.sodalive.aws.s3.S3Uploader
+import kr.co.vividnext.sodalive.can.use.CanUsage
+import kr.co.vividnext.sodalive.can.use.UseCan
+import kr.co.vividnext.sodalive.can.use.UseCanRepository
+import kr.co.vividnext.sodalive.fcm.FcmService
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.live.recommend.LiveRecommendService
+import kr.co.vividnext.sodalive.live.reservation.LiveReservation
+import kr.co.vividnext.sodalive.live.reservation.LiveReservationRepository
+import kr.co.vividnext.sodalive.live.reservation.LiveReservationService
+import kr.co.vividnext.sodalive.live.reservation.MakeLiveReservationRequest
+import kr.co.vividnext.sodalive.live.room.info.LiveRoomInfo
+import kr.co.vividnext.sodalive.live.room.info.LiveRoomInfoRedisRepository
+import kr.co.vividnext.sodalive.live.room.info.LiveRoomMemberRole
+import kr.co.vividnext.sodalive.live.room.visit.LiveRoomVisitService
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.following.CreatorFollowing
+import kr.co.vividnext.sodalive.member.following.CreatorFollowingRepository
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.hibernate.SessionFactory
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.cache.CacheManager
+import org.springframework.data.domain.PageRequest
+import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.mock.web.MockHttpServletRequest
+import org.springframework.test.annotation.DirtiesContext
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.transaction.annotation.Propagation
+import org.springframework.transaction.annotation.Transactional
+import org.springframework.web.context.request.RequestContextHolder
+import org.springframework.web.context.request.ServletRequestAttributes
+import java.time.LocalDateTime
+import javax.persistence.EntityManagerFactory
+
+@SpringBootTest(
+    properties = [
+        "spring.cache.type=none",
+        "spring.jpa.properties.hibernate.generate_statistics=true",
+        "jwt.secret=MDEyMzQ1Njc4OWFiY2RlZjAxMjM0NTY3ODlhYmNkZWYwMTIzNDU2Nzg5YWJjZGVmMDEyMzQ1Njc4OWFiY2RlZg==",
+        "agora.app-id=0123456789abcdef0123456789abcdef",
+        "agora.app-certificate=0123456789abcdef0123456789abcdef"
+    ]
+)
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@Transactional
+class LiveRoomLocalizedNameIntegrationTest @Autowired constructor(
+    private val service: LiveRoomService,
+    private val reservationService: LiveReservationService,
+    private val reservationRepository: LiveReservationRepository,
+    private val visitService: LiveRoomVisitService,
+    private val recommendService: LiveRecommendService,
+    private val followingRepository: CreatorFollowingRepository,
+    private val useCanRepository: UseCanRepository,
+    private val roomRepository: LiveRoomRepository,
+    private val roomInfoRepository: LiveRoomInfoRedisRepository,
+    private val memberRepository: MemberRepository,
+    private val jdbcTemplate: JdbcTemplate,
+    private val cacheManager: CacheManager,
+    private val entityManagerFactory: EntityManagerFactory,
+    private val langContext: LangContext
+) {
+    @MockBean
+    private lateinit var fcmService: FcmService
+
+    @MockBean
+    private lateinit var s3Uploader: S3Uploader
+
+    private val roomIds = mutableListOf<Long>()
+    private val finishedLiveCacheKeys = mutableListOf<String>()
+
+    @BeforeEach
+    fun setUpRequest() {
+        RequestContextHolder.setRequestAttributes(ServletRequestAttributes(MockHttpServletRequest()))
+    }
+
+    @AfterEach
+    fun resetRequestAndRemoveRoomInfo() {
+        roomIds.forEach { roomInfoRepository.deleteById(it) }
+        finishedLiveCacheKeys.forEach { cacheManager.getCache("cache_ttl_10_minutes")?.evict(it) }
+        RequestContextHolder.resetRequestAttributes()
+    }
+
+    @Test
+    @DisplayName("라이브 info는 모든 멤버 목록을 요청 언어로 복사하고 역할과 공유 Redis 원본을 보존한다")
+    fun shouldRenderRoomInfoMemberNamesWithoutMutatingSharedRedisMembership() {
+        val fixture = createFixture()
+        langContext.setLang(Lang.JA)
+        val japanese = service.getRoomInfo(fixture.roomId, fixture.viewer)
+        langContext.setLang(Lang.KO)
+        val korean = service.getRoomInfo(fixture.roomId, fixture.viewer)
+        val stored = roomInfoRepository.findById(fixture.roomId).orElseThrow()
+
+        assertAll(
+            { assertEquals("日本-host", japanese.creatorNickname) },
+            { assertEquals("日本-host", japanese.speakerList.single().nickname) },
+            { assertEquals("日本-manager", japanese.managerList.single().nickname) },
+            { assertEquals(listOf("viewer", "fallback"), japanese.listenerList.map { it.nickname }) },
+            { assertEquals(LiveRoomMemberRole.SPEAKER, japanese.speakerList.single().role) },
+            { assertEquals(LiveRoomMemberRole.MANAGER, japanese.managerList.single().role) },
+            { assertEquals("host", korean.creatorNickname) },
+            { assertEquals("host", korean.speakerList.single().nickname) },
+            { assertEquals("manager", korean.managerList.single().nickname) },
+            { assertEquals("host", stored.speakerList.single().nickname) },
+            { assertEquals("manager", stored.managerList.single().nickname) },
+            { assertEquals("host", memberRepository.findById(fixture.host.id!!).orElseThrow().nickname) }
+        )
+    }
+
+    @Test
+    @DisplayName("라이브 상세와 멤버 프로필의 현재 이름은 JA 별칭이며 USER와 비활성 별칭은 원본이다")
+    @Transactional(propagation = Propagation.NOT_SUPPORTED)
+    @DirtiesContext(methodMode = DirtiesContext.MethodMode.AFTER_METHOD)
+    fun shouldRenderCurrentRoomDetailAndMemberProfileNames() {
+        val fixture = createFixture()
+        langContext.setLang(Lang.JA)
+
+        val detail = service.getRoomDetail(fixture.roomId, fixture.viewer, "UTC")
+        val hostProfile = service.getUserProfile(fixture.roomId, fixture.host.id!!, fixture.viewer)
+        val viewerProfile = service.getUserProfile(fixture.roomId, fixture.viewer.id!!, fixture.viewer)
+
+        assertAll(
+            { assertEquals("日本-host", detail.manager!!.nickname) },
+            { assertEquals("日本-host", detail.participatingUsers.single { it.id == fixture.host.id }.nickname) },
+            { assertEquals("日本-manager", detail.participatingUsers.single { it.id == fixture.manager.id }.nickname) },
+            { assertEquals("viewer", detail.participatingUsers.single { it.id == fixture.viewer.id }.nickname) },
+            { assertEquals("fallback", detail.participatingUsers.single { it.id == fixture.fallback.id }.nickname) },
+            { assertEquals("日本-host", hostProfile.nickname) },
+            { assertEquals("viewer", viewerProfile.nickname) }
+        )
+    }
+
+    @Test
+    @DisplayName("현재 후원 룰렛 메시지 이름은 요청별로 렌더링하며 비밀 필터와 본문 UUID 및 Redis 원본은 보존한다")
+    fun shouldRenderDonationAndRouletteNamesOnCopiesAfterSecretFiltering() {
+        val fixture = createFixture()
+        val roomInfo = roomInfoRepository.findById(fixture.roomId).orElseThrow()
+        roomInfo.addDonationMessage(fixture.manager.id!!, "manager", false, 10, "manager 후원 본문")
+        roomInfo.addRouletteMessage(fixture.manager.id!!, "manager", "manager 룰렛 결과")
+        roomInfo.addDonationMessage(fixture.viewer.id!!, "viewer", false, 10, "viewer 본문")
+        roomInfo.addDonationMessage(fixture.manager.id!!, "manager", true, 10, "비밀 본문")
+        roomInfoRepository.save(roomInfo)
+        langContext.setLang(Lang.JA)
+        val japanese = service.getDonationMessageList(fixture.roomId, fixture.viewer)
+        langContext.setLang(Lang.KO)
+        val korean = service.getDonationMessageList(fixture.roomId, fixture.viewer)
+        val stored = roomInfoRepository.findById(fixture.roomId).orElseThrow().donationMessageList
+
+        assertAll(
+            { assertEquals(listOf("日本-manager", "日本-manager", "viewer"), japanese.map { it.nickname }) },
+            { assertEquals(listOf("manager", "manager", "viewer"), korean.map { it.nickname }) },
+            { assertEquals(listOf("manager 후원 본문", "manager 룰렛 결과", "viewer 본문"), japanese.map { it.donationMessage }) },
+            { assertEquals(korean.map { it.uuid }, japanese.map { it.uuid }) },
+            { assertEquals(listOf("manager", "manager", "viewer", "manager"), stored.map { it.nickname }) },
+            { assertEquals(4, stored.size) }
+        )
+    }
+
+    @Test
+    @DisplayName("최근 종료 라이브의 현재 이름은 같은 회원의 KO 조회 캐시 이후에도 JA 요청을 따른다")
+    fun shouldRenderJapaneseFinishedLiveNameAfterKoreanCacheRead() {
+        val fixture = createFixture()
+        val room = roomRepository.findById(fixture.roomId).orElseThrow()
+        room.isActive = false
+        fixture.host.profileImage = "profile/host.png"
+        roomRepository.flush()
+        val cacheKey = "getLatestFinishedLive:${fixture.viewer.id}"
+        finishedLiveCacheKeys.add(cacheKey)
+        val cache = requireNotNull(cacheManager.getCache("cache_ttl_10_minutes"))
+        cache.evict(cacheKey)
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        langContext.setLang(Lang.KO)
+        val korean = service.getLatestFinishedLive(fixture.viewer).single { it.memberId == fixture.host.id }
+        assertEquals(1L, currentNameQueryCount())
+        val roomListQuery = statistics.queries.single { it.contains("from LiveRoom") }
+        val roomListExecutions = statistics.getQueryStatistics(roomListQuery).executionCount
+        val cached = cache.get(cacheKey)?.get()
+        assertNotNull(cached)
+        assertEquals(1L, roomListExecutions)
+        assertEquals("host", (cached as List<*>).filterIsInstance<GetLatestFinishedLiveResponse>().single().nickname)
+        langContext.setLang(Lang.JA)
+        val nameQueryCountBeforeHit = currentNameQueryCount()
+        val japanese = service.getLatestFinishedLive(fixture.viewer).single { it.memberId == fixture.host.id }
+        assertEquals(1L, currentNameQueryCount() - nameQueryCountBeforeHit)
+        assertEquals(roomListExecutions, statistics.getQueryStatistics(roomListQuery).executionCount)
+        assertEquals(cached, cache.get(cacheKey)?.get())
+        fixture.host.nickname = "updated-host"
+        memberRepository.flush()
+        jdbcTemplate.update("UPDATE creator_localized_name SET is_active = false WHERE member_id = ?", fixture.host.id!!)
+        val nameQueryCountBeforeFallback = currentNameQueryCount()
+        val fallback = service.getLatestFinishedLive(fixture.viewer).single { it.memberId == fixture.host.id }
+        assertEquals(1L, currentNameQueryCount() - nameQueryCountBeforeFallback)
+
+        assertEquals("host", korean.nickname)
+        assertEquals("日本-host", japanese.nickname)
+        assertEquals("updated-host", fallback.nickname)
+        assertEquals("host", korean.nickname)
+        assertEquals(roomListExecutions, statistics.getQueryStatistics(roomListQuery).executionCount)
+        assertEquals(cached, cache.get(cacheKey)?.get())
+        jdbcTemplate.update(
+            "INSERT INTO creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "VALUES (?, 'EN', 'English host', true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            fixture.host.id!!
+        )
+        langContext.setLang(Lang.EN)
+        val nameQueryCountBeforeEnglishHit = currentNameQueryCount()
+        val english = service.getLatestFinishedLive(fixture.viewer).single { it.memberId == fixture.host.id }
+        assertEquals("English host", english.nickname)
+        assertEquals(1L, currentNameQueryCount() - nameQueryCountBeforeEnglishHit)
+        assertEquals(roomListExecutions, statistics.getQueryStatistics(roomListQuery).executionCount)
+        assertEquals(cached, cache.get(cacheKey)?.get())
+    }
+
+    @Test
+    @DisplayName("언어 중립 live feed와 종료 캐시는 별칭 해제 후 변경된 현재 원본으로 fallback한다")
+    fun shouldFallBackToCurrentOriginalWithoutRewritingNeutralRedisNames() {
+        val fixture = createFixture()
+        val info = roomInfoRepository.findById(fixture.roomId).orElseThrow()
+        info.addDonationMessage(fixture.host.id!!, "host", false, 10, "host 본문")
+        roomInfoRepository.save(info)
+        fixture.host.nickname = "updated-host"
+        memberRepository.flush()
+        jdbcTemplate.update("UPDATE creator_localized_name SET is_active = false WHERE member_id = ?", fixture.host.id!!)
+        langContext.setLang(Lang.JA)
+
+        val response = service.getRoomInfo(fixture.roomId, fixture.viewer)
+        val messages = service.getDonationMessageList(fixture.roomId, fixture.viewer)
+        val stored = roomInfoRepository.findById(fixture.roomId).orElseThrow()
+
+        assertEquals("updated-host", response.creatorNickname)
+        assertEquals("updated-host", response.speakerList.single().nickname)
+        assertEquals("updated-host", messages.single().nickname)
+        assertEquals("host", stored.speakerList.single().nickname)
+        assertEquals("host", stored.donationMessageList.single().nickname)
+        assertEquals("host 본문", messages.single().donationMessage)
+    }
+
+    @Test
+    @DisplayName("예약 생성·목록·상세와 최근 방문자 조회는 실제 크리에이터 소유 ID로 JA 이름을 표시한다")
+    fun shouldLocalizeReservationAndRecentVisitorNames() {
+        val fixture = createFixture()
+        langContext.setLang(Lang.JA)
+        val reservation = reservationService.makeReservation(
+            MakeLiveReservationRequest(fixture.roomId, "web", "UTC"),
+            fixture.viewer.id!!
+        )
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        val listed = reservationService.getReservationList(fixture.viewer.id!!, true, "UTC").single()
+        val detail = reservationService.getReservation(reservation.reservationId, fixture.viewer.id!!, "UTC")
+        assertEquals(2L, statistics.queryExecutionCount, statistics.queries.joinToString("\n"))
+        val room = roomRepository.findById(fixture.roomId).orElseThrow()
+        visitService.roomVisit(room, fixture.viewer)
+        visitService.roomVisit(room, fixture.manager)
+        statistics.clear()
+        val visitor = visitService.getRecentVisitRoomUsers(fixture.viewer).single()
+        assertEquals(2L, statistics.queryExecutionCount, statistics.queries.joinToString("\n"))
+
+        assertEquals("日本-host", reservation.nickname)
+        assertEquals("日本-host", listed.masterNickname)
+        assertEquals("日本-host", detail.masterNickname)
+        assertEquals(fixture.manager.id, visitor.id)
+        assertEquals("日本-manager", visitor.nickname)
+        langContext.setLang(Lang.KO)
+        assertEquals("manager", visitService.getRecentVisitRoomUsers(fixture.viewer).single().nickname)
+    }
+
+    @Test
+    @DisplayName("추천과 팔로잉의 on-air 및 off-air 분기는 요청별 이름을 표시하고 count와 순서를 보존한다")
+    @Transactional(propagation = Propagation.NOT_SUPPORTED)
+    @DirtiesContext(methodMode = DirtiesContext.MethodMode.AFTER_METHOD)
+    fun shouldLocalizeRecommendedAndFollowingChannels() {
+        val fixture = createFixture()
+        followingRepository.saveAndFlush(
+            CreatorFollowing().apply {
+                member = fixture.viewer
+                creator = fixture.host
+            }
+        )
+        followingRepository.saveAndFlush(
+            CreatorFollowing().apply {
+                member = fixture.viewer
+                creator = fixture.manager
+            }
+        )
+        langContext.setLang(Lang.JA)
+
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        val recommended = recommendService.getRecommendChannelList(null).associateBy { it.creatorId }
+        val aliasQueries = statistics.queries.filter {
+            Regex("""(?is)^select\s+\w+\.memberId,\s*\w+\.displayName\s+from\s+CreatorLocalizedNameEntity\b""")
+                .containsMatchIn(it)
+        }
+        val aliasQueryCount = aliasQueries.sumOf { statistics.getQueryStatistics(it).executionCount }
+        val queryCount = statistics.queryExecutionCount
+        val following = recommendService.getFollowingChannelList(fixture.viewer).associateBy { it.creatorId }
+        val all = recommendService.getFollowingAllChannelList(fixture.viewer, PageRequest.of(0, 20))
+
+        assertEquals("日本-host", recommended.getValue(fixture.host.id!!).nickname)
+        assertEquals("日本-manager", recommended.getValue(fixture.manager.id!!).nickname)
+        assertEquals("fallback", recommended.getValue(fixture.fallback.id!!).nickname)
+        assertEquals("日本-host", following.getValue(fixture.host.id!!).nickname)
+        assertEquals("日本-manager", following.getValue(fixture.manager.id!!).nickname)
+        assertEquals(2, all.totalCount)
+        assertEquals(setOf("日本-host", "日本-manager"), all.items.map { it.nickname }.toSet())
+        langContext.setLang(Lang.KO)
+        assertEquals(
+            setOf("host", "manager"),
+            recommendService.getFollowingAllChannelList(fixture.viewer, PageRequest.of(0, 20)).items.map { it.nickname }.toSet()
+        )
+        assertEquals(0L, aliasQueryCount, "Standalone alias SELECTs (total queries=$queryCount): $aliasQueries")
+        assertNoStandaloneNameQueries()
+        jdbcTemplate.update(
+            "INSERT INTO creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "VALUES (?, 'EN', 'English host', true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            fixture.host.id!!
+        )
+        langContext.setLang(Lang.EN)
+        assertEquals(
+            setOf("English host", "manager"),
+            recommendService.getFollowingAllChannelList(fixture.viewer, PageRequest.of(0, 20)).items.map { it.nickname }.toSet()
+        )
+        assertNoStandaloneNameQueries()
+    }
+
+    @Test
+    @DisplayName("후원과 하트 집계는 donor ID로 이름만 바꾸고 USER·금액·비밀 합계와 공개 DTO 필드를 보존한다")
+    fun shouldLocalizeDonationAndHeartDonorNamesWithoutChangingAmounts() {
+        val fixture = createFixture()
+        val room = roomRepository.findById(fixture.roomId).orElseThrow()
+        listOf(CanUsage.DONATION, CanUsage.HEART).forEach { usage ->
+            useCanRepository.saveAndFlush(
+                UseCan(usage, 10, 2).apply {
+                    member = fixture.manager
+                    this.room = room
+                }
+            )
+            useCanRepository.saveAndFlush(
+                UseCan(usage, 5, 1).apply {
+                    member = fixture.viewer
+                    this.room = room
+                }
+            )
+        }
+        langContext.setLang(Lang.JA)
+
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        val donations = service.getDonationStatus(fixture.roomId, fixture.host.id!!)
+        val hearts = service.getHeartList(fixture.roomId)
+        assertEquals(3L, statistics.queryExecutionCount, statistics.queries.joinToString("\n"))
+
+        assertEquals(listOf("日本-manager", "viewer"), donations.donationList.map { it.nickname })
+        assertEquals(listOf("日本-manager", "viewer"), hearts.heartList.map { it.nickname })
+        assertEquals(18, donations.totalCan)
+        assertEquals(0, donations.totalSecretCan)
+        assertEquals(18, hearts.totalHeart)
+        assertEquals(2, hearts.totalCount)
+    }
+
+    @Test
+    @DisplayName("진행·날짜별 예약·예정 라이브 목록은 EN 이름을 조인하고 USER·미등록·비활성 소유자를 유지한다")
+    fun shouldJoinEnglishNamesInEveryDatabaseRoomListWithoutMutatingOwners() {
+        val fixture = createFixture()
+        val owners = listOf(fixture.host, fixture.manager, fixture.viewer, fixture.fallback)
+        listOf(fixture.host, fixture.viewer, fixture.fallback).forEach {
+            jdbcTemplate.update(
+                "INSERT INTO creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                    "VALUES (?, 'EN', ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+                it.id!!,
+                "EN-${it.nickname}",
+                it != fixture.fallback
+            )
+        }
+        val rooms = listOf(roomRepository.findById(fixture.roomId).orElseThrow()) + owners.drop(1).map { owner ->
+            roomRepository.saveAndFlush(
+                LiveRoom("${owner.nickname} room", "notice", LocalDateTime.now(), 10, "cover.png", isAdult = false).apply {
+                    member = owner
+                    channelName = "live_${owner.id}"
+                }
+            )
+        }
+        val expected = mapOf(
+            fixture.host.id to "EN-host",
+            fixture.manager.id to "manager",
+            fixture.viewer.id to "viewer",
+            fixture.fallback.id to "fallback"
+        )
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+
+        val current = roomRepository.getLiveRoomListNow(0, 20, "UTC", null, false, true, null, Lang.EN)
+        assertEquals(expected, current.associate { it.room.member!!.id to it.creatorNickname })
+        assertEquals(1L, statistics.queryExecutionCount)
+
+        owners.forEach { owner ->
+            reservationRepository.saveAndFlush(
+                LiveReservation().apply {
+                    member = owner
+                    room = rooms.first()
+                }
+            )
+        }
+        statistics.clear()
+        val bookers = reservationRepository.getReservationList(fixture.roomId, Lang.EN)
+        assertEquals(expected, bookers.associate { it.id to it.nickname })
+        assertEquals(1L, statistics.queryExecutionCount)
+        statistics.clear()
+        val reservation = reservationRepository.getReservationListByMemberId(fixture.viewer.id!!, true, Lang.EN).single()
+        val reserved = reservationRepository.getReservationByReservationAndMemberId(reservation.id, fixture.viewer.id!!, Lang.EN)
+        assertEquals("EN-host", reservation.masterNickname)
+        assertEquals("EN-host", reserved!!.masterNickname)
+        assertEquals(2L, statistics.queryExecutionCount)
+
+        val date = LocalDateTime.now().plusDays(1).withHour(12).withMinute(0)
+        rooms.forEach {
+            it.channelName = null
+            it.beginDateTime = date
+        }
+        roomRepository.flush()
+        statistics.clear()
+        val dated = roomRepository.getLiveRoomListReservationWithDate(
+            date.toLocalDate().atStartOfDay(),
+            0,
+            20,
+            null,
+            false,
+            true,
+            null,
+            Lang.EN
+        )
+        val upcoming = roomRepository.getLiveRoomListReservationWithoutDate("UTC", null, false, true, null, Lang.EN)
+
+        assertEquals(expected, dated.associate { it.room.member!!.id to it.creatorNickname })
+        assertEquals(expected, upcoming.associate { it.room.member!!.id to it.creatorNickname })
+        assertEquals(2L, statistics.queryExecutionCount)
+        assertEquals(listOf("host", "manager", "viewer", "fallback"), owners.map { it.nickname })
+        assertNoStandaloneNameQueries()
+    }
+
+    private fun assertNoStandaloneNameQueries() {
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        val nameQueries = statistics.queries.filter {
+            Regex("""(?is)\bfrom\s+CreatorLocalizedNameEntity\b""").containsMatchIn(it) ||
+                Regex("""(?is)^select\s+\w+\.id,\s*coalesce\([^)]*\)\s+from\s+Member\b""").containsMatchIn(it)
+        }
+        assertEquals(0L, nameQueries.sumOf { statistics.getQueryStatistics(it).executionCount }, nameQueries.joinToString("\n"))
+    }
+
+    private fun currentNameQueryCount(): Long {
+        val statistics = entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        return statistics.queries.filter { it.contains("from Member") && it.contains("CreatorLocalizedNameEntity") }
+            .sumOf { statistics.getQueryStatistics(it).executionCount }
+    }
+
+    private fun createFixture(): Fixture {
+        val host = savedMember("host", MemberRole.CREATOR)
+        val manager = savedMember("manager", MemberRole.CREATOR)
+        val viewer = savedMember("viewer", MemberRole.USER)
+        val fallback = savedMember("fallback", MemberRole.CREATOR, activeAlias = false)
+        val room = roomRepository.saveAndFlush(
+            LiveRoom(
+                title = "room title",
+                notice = "notice",
+                beginDateTime = LocalDateTime.now().minusMinutes(1),
+                numberOfPeople = 10,
+                coverImage = "cover.png",
+                isAdult = false
+            ).apply {
+                member = host
+                channelName = "localized_live_${host.id}"
+            }
+        )
+        roomIds.add(room.id!!)
+        roomInfoRepository.save(
+            LiveRoomInfo(room.id!!).apply {
+                addSpeaker(host, "https://cdn.test")
+                addManager(manager, "https://cdn.test")
+                addListener(viewer, "https://cdn.test")
+                addListener(fallback, "https://cdn.test")
+            }
+        )
+        return Fixture(room.id!!, host, manager, viewer, fallback)
+    }
+
+    private fun savedMember(nickname: String, role: MemberRole, activeAlias: Boolean = true): Member {
+        val member = memberRepository.saveAndFlush(
+            Member(
+                email = "$nickname@localized-live.test",
+                password = "pw",
+                nickname = nickname,
+                profileImage = "profile/$nickname.png",
+                role = role,
+                isVisibleDonationRank = false
+            )
+        )
+        jdbcTemplate.update(
+            "INSERT INTO creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "VALUES (?, 'JA', ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            "日本-$nickname",
+            activeAlias
+        )
+        return member
+    }
+
+    private data class Fixture(val roomId: Long, val host: Member, val manager: Member, val viewer: Member, val fallback: Member)
+}

src/test/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomServiceAdultVisibilityPolicyTest.kt

@@ -12,6 +12,7 @@ import kr.co.vividnext.sodalive.content.ContentType
 import kr.co.vividnext.sodalive.explorer.ExplorerQueryRepository
 import kr.co.vividnext.sodalive.explorer.profile.CreatorDonationRankingService
 import kr.co.vividnext.sodalive.fcm.PushTokenRepository
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.live.reservation.LiveReservationRepository
@@ -30,6 +31,7 @@ import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.member.contentpreference.ViewerContentPreference
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
@@ -106,6 +108,7 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
             menuService = menuService,
             messageSource = messageSource,
             langContext = langContext,
+            localizedNameService = mock<CreatorLocalizedNameService>(),
             repository = repository,
             rouletteRepository = rouletteRepository,
             roomInfoRepository = roomInfoRepository,
@@ -152,7 +155,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
                 memberId = 100L,
                 isCreator = false,
                 isAdult = true,
-                effectiveGender = Gender.NONE
+                effectiveGender = Gender.NONE,
+                lang = Lang.KO
             )
         ).thenReturn(emptyList())
 
@@ -172,7 +176,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
             memberId = 100L,
             isCreator = false,
             isAdult = true,
-            effectiveGender = Gender.NONE
+            effectiveGender = Gender.NONE,
+            lang = Lang.KO
         )
     }
 
@@ -187,7 +192,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
                 memberId = null,
                 isCreator = false,
                 isAdult = true,
-                effectiveGender = null
+                effectiveGender = null,
+                lang = Lang.KO
             )
         ).thenReturn(emptyList())
 
@@ -207,7 +213,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
             memberId = null,
             isCreator = false,
             isAdult = true,
-            effectiveGender = null
+            effectiveGender = null,
+            lang = Lang.KO
         )
     }
 
@@ -222,7 +229,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
                 memberId = 200L,
                 isCreator = false,
                 isAdult = false,
-                effectiveGender = Gender.NONE
+                effectiveGender = Gender.NONE,
+                lang = Lang.KO
             )
         ).thenReturn(emptyList())
 
@@ -240,7 +248,8 @@ class LiveRoomServiceAdultVisibilityPolicyTest {
             memberId = 200L,
             isCreator = false,
             isAdult = false,
-            effectiveGender = Gender.NONE
+            effectiveGender = Gender.NONE,
+            lang = Lang.KO
         )
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomServiceTest.kt

@@ -31,6 +31,7 @@ import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.auth.Auth
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
@@ -70,6 +71,7 @@ class LiveRoomServiceTest {
             menuService = mock<LiveRoomMenuService>(),
             messageSource = mock<SodaMessageSource>(),
             langContext = LangContext(),
+            localizedNameService = mock<CreatorLocalizedNameService>(),
             repository = repository,
             rouletteRepository = rouletteRepository,
             roomInfoRepository = roomInfoRepository,

src/test/kotlin/kr/co/vividnext/sodalive/member/MemberRepositoryLocalizedNameTest.kt

@@ -0,0 +1,108 @@
+package kr.co.vividnext.sodalive.member
+
+import kr.co.vividnext.sodalive.configs.QueryDslConfig
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.context.annotation.Import
+import org.springframework.jdbc.core.JdbcTemplate
+import javax.persistence.EntityManager
+
+@DataJpaTest(properties = ["spring.cache.type=none"])
+@Import(QueryDslConfig::class)
+class MemberRepositoryLocalizedNameTest @Autowired constructor(
+    private val repository: MemberRepository,
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate
+) {
+    @Test
+    @DisplayName("크리에이터 요청의 회원 검색은 USER 원본 매칭과 CREATOR 별칭을 함께 유지한다")
+    fun shouldRetainUserOriginalMatchesAndAddOnlyCreatorAliasesForCreatorRequester() {
+        val requester = saveMember("needle-requester", MemberRole.CREATOR)
+        val creator = saveMember("creator-original", MemberRole.CREATOR)
+        val user = saveMember("needle-user", MemberRole.USER)
+        val aiUser = saveMember("ai-user-original", MemberRole.USER).apply { memberKind = MemberKind.AI_CHARACTER }
+        val admin = saveMember("needle-admin", MemberRole.ADMIN)
+        val agent = saveMember("needle-agent", MemberRole.AGENT)
+        val bot = saveMember("needle-bot", MemberRole.BOT)
+        listOf(requester, creator, user, aiUser, admin, agent, bot).forEach { saveAlias(it, "needle-alias") }
+        entityManager.clear()
+
+        val matches = repository.findByNicknameAndOtherCondition("NeEdLe", requester)
+
+        assertEquals(setOf(creator.id, user.id), matches.map { it.id }.toSet())
+        assertEquals(2, matches.size)
+        assertEquals(listOf(creator.id), repository.findByNicknameAndOtherCondition("creator-original", requester).map { it.id })
+    }
+
+    @Test
+    @DisplayName("USER 요청의 회원 검색은 기존 USER·self·관리 역할 제외 조건을 별칭에도 적용한다")
+    fun shouldPreserveUserRequesterRoleAndSelfExclusionsForAliases() {
+        val requester = saveMember("needle-viewer", MemberRole.USER)
+        val creator = saveMember("creator-original", MemberRole.CREATOR)
+        val user = saveMember("needle-user", MemberRole.USER)
+        val admin = saveMember("needle-admin", MemberRole.ADMIN)
+        val agent = saveMember("needle-agent", MemberRole.AGENT)
+        val bot = saveMember("needle-bot", MemberRole.BOT)
+        listOf(requester, creator, user, admin, agent, bot).forEach { saveAlias(it, "needle-alias") }
+        entityManager.clear()
+
+        assertEquals(listOf(creator.id), repository.findByNicknameAndOtherCondition("needle", requester).map { it.id })
+    }
+
+    @Test
+    @DisplayName("비활성 JA와 다른 언어 이름은 회원 별칭 검색에서 제외하고 현재 원본은 유지한다")
+    fun shouldExcludeInactiveAndNonJaAliasesWhileRetainingCurrentOriginalNickname() {
+        val requester = saveMember("member-clear-viewer", MemberRole.CREATOR)
+        val creator = saveMember("before-rename", MemberRole.CREATOR)
+        saveAlias(creator, "RetainedAlias", isActive = false)
+        saveAlias(creator, "EnglishAlias", lang = "EN")
+        creator.nickname = "after-rename"
+        entityManager.flush()
+        entityManager.clear()
+
+        assertEquals(emptyList<Long>(), repository.findByNicknameAndOtherCondition("RetainedAlias", requester).map { it.id })
+        assertEquals(emptyList<Long>(), repository.findByNicknameAndOtherCondition("EnglishAlias", requester).map { it.id })
+        assertEquals(listOf(creator.id), repository.findByNicknameAndOtherCondition("after-rename", requester).map { it.id })
+        jdbcTemplate.update(
+            "update creator_localized_name set is_active = true where member_id = ? and lang = 'JA'",
+            creator.id!!
+        )
+
+        assertAll(
+            {
+                assertEquals(
+                    listOf(creator.id),
+                    repository.findByNicknameAndOtherCondition("RetainedAlias", requester).map { it.id }
+                )
+            },
+            {
+                assertEquals(
+                    listOf(creator.id),
+                    repository.findByNicknameAndOtherCondition("after-rename", requester).map { it.id }
+                )
+            }
+        )
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole): Member {
+        return Member(email = "$nickname@test.com", password = "password", nickname = nickname, role = role).also {
+            entityManager.persist(it)
+        }
+    }
+
+    private fun saveAlias(member: Member, displayName: String, isActive: Boolean = true, lang: String = "JA") {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            lang,
+            displayName,
+            isActive
+        )
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/member/MemberServiceCacheEvictionTest.kt

@@ -10,6 +10,7 @@ import kr.co.vividnext.sodalive.member.block.BlockMember
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.member.block.MemberBlockRequest
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.support.originalLocalizedNameService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
@@ -62,6 +63,7 @@ class MemberServiceCacheEvictionTest {
             authenticationManagerBuilder = mock(),
             messageSource = SodaMessageSource(),
             langContext = LangContext(),
+            localizedNameService = originalLocalizedNameService(),
             countryContext = CountryContext(),
             memberContentPreferenceService = mock<MemberContentPreferenceService>(),
             objectMapper = ObjectMapper(),

src/test/kotlin/kr/co/vividnext/sodalive/member/MemberServiceContentPreferenceTest.kt

@@ -13,6 +13,7 @@ import kr.co.vividnext.sodalive.member.stipulation.Stipulation
 import kr.co.vividnext.sodalive.member.stipulation.StipulationAgreeRepository
 import kr.co.vividnext.sodalive.member.stipulation.StipulationIds
 import kr.co.vividnext.sodalive.member.stipulation.StipulationRepository
+import kr.co.vividnext.sodalive.support.originalLocalizedNameService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeEach
@@ -71,6 +72,7 @@ class MemberServiceContentPreferenceTest {
             authenticationManagerBuilder = mock(),
             messageSource = SodaMessageSource(),
             langContext = LangContext(),
+            localizedNameService = originalLocalizedNameService(),
             countryContext = CountryContext(),
             memberContentPreferenceService = memberContentPreferenceService,
             objectMapper = ObjectMapper(),

src/test/kotlin/kr/co/vividnext/sodalive/osiv/OsivLazyLoadingRegressionTest.kt

@@ -250,7 +250,7 @@ class OsivLazyLoadingRegressionTest @Autowired constructor(
 
         val creators = rankingRepository.getCreatorRankings(memberId = null)
 
-        val response = creators.single().toExplorerSectionCreator("https://cdn.test")
+        val response = creators.single()
         assertEquals("#creator-tag", response.tags)
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/search/SearchRepositoryLocalizedNameTest.kt

@@ -0,0 +1,297 @@
+package kr.co.vividnext.sodalive.search
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.admin.content.series.genre.SeriesGenre
+import kr.co.vividnext.sodalive.configs.QueryDslConfig
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.ContentType
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.creator.admin.content.series.Series
+import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesContent
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.block.BlockMember
+import kr.co.vividnext.sodalive.member.tag.CreatorTag
+import kr.co.vividnext.sodalive.member.tag.MemberCreatorTag
+import org.hibernate.SessionFactory
+import org.junit.jupiter.api.Assertions.assertAll
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.context.annotation.Import
+import org.springframework.jdbc.core.JdbcTemplate
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@DataJpaTest(properties = ["spring.cache.type=none", "spring.jpa.properties.hibernate.generate_statistics=true"])
+@Import(QueryDslConfig::class)
+class SearchRepositoryLocalizedNameTest @Autowired constructor(
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate,
+    queryFactory: JPAQueryFactory
+) {
+    private val repository = SearchRepository(queryFactory, "https://cdn.test")
+
+    @Test
+    @DisplayName("크리에이터 검색은 원본과 활성 JA 별칭을 함께 찾고 중복 별칭도 회원별로 한 번씩 센다")
+    fun shouldSearchOriginalOrActiveJaAliasWithDistinctOwnersAndMatchingCount() {
+        val viewer = saveMember("search-viewer", MemberRole.USER)
+        val original = saveMember("Orion-original")
+        val aliasOnly = saveMember("second-original")
+        saveAlias(original, "Orion Japanese")
+        saveAlias(aliasOnly, "Orion Japanese")
+        entityManager.clear()
+
+        val items = repository.searchCreatorList("oRiOn", viewer.id!!, 0, 20)
+        val page = repository.searchCreatorList("oRiOn", viewer.id!!, 1, 1)
+
+        assertAll(
+            { assertEquals(2, repository.searchCreatorTotalCount("oRiOn", viewer.id!!)) },
+            { assertEquals(listOf(aliasOnly.id, original.id), items.map { it.id }) },
+            { assertEquals(listOf(original.id), page.map { it.id }) },
+            {
+                assertEquals(
+                    listOf(original.id),
+                    repository.searchCreatorList("Orion-original", viewer.id!!, 0, 20).map { it.id }
+                )
+            }
+        )
+    }
+
+    @Test
+    @DisplayName("별칭 검색은 회원 활성·역할·태그 활성·양방향 차단 필터를 우회하지 않는다")
+    fun shouldPreserveCreatorVisibilityTagAndBidirectionalBlockFiltersForAliasMatches() {
+        val viewer = saveMember("filter-viewer", MemberRole.USER)
+        val visible = saveMember("visible-original")
+        val inactive = saveMember("inactive-original").apply { isActive = false }
+        val user = saveMember("user-original", MemberRole.USER)
+        val blockedByViewer = saveMember("blocked-original")
+        val blockingViewer = saveMember("blocking-original")
+        val inactiveTagOwner = saveMember("inactive-tag-original")
+        saveBlock(viewer, blockedByViewer)
+        saveBlock(blockingViewer, viewer)
+        val inactiveTag = CreatorTag(tag = "inactive-tag", isActive = false)
+        entityManager.persist(inactiveTag)
+        entityManager.persist(MemberCreatorTag(member = inactiveTagOwner, tag = inactiveTag))
+        listOf(visible, inactive, user, blockedByViewer, blockingViewer, inactiveTagOwner).forEach {
+            saveAlias(it, "AliasVisibility")
+        }
+        entityManager.clear()
+
+        assertAll(
+            { assertEquals(1, repository.searchCreatorTotalCount("AliasVisibility", viewer.id!!)) },
+            {
+                assertEquals(
+                    listOf(visible.id),
+                    repository.searchCreatorList("AliasVisibility", viewer.id!!, 0, 20).map { it.id }
+                )
+            }
+        )
+    }
+
+    @Test
+    @DisplayName("비활성 JA와 다른 언어 별칭은 제외하고 원본 검색과 같은 행 재활성화는 유지한다")
+    fun shouldExcludeSoftClearedAndNonJaAliasesWithoutLosingOriginalSearch() {
+        val viewer = saveMember("clear-viewer", MemberRole.USER)
+        val creator = saveMember("current-original")
+        val content = saveContent(creator, "clear content title")
+        val series = saveSeries(creator, "clear series title", content)
+        saveAlias(creator, "ClearedAlias", isActive = false)
+        saveAlias(creator, "EnglishAlias", lang = "EN")
+        entityManager.clear()
+
+        assertEquals(0, repository.searchCreatorTotalCount("ClearedAlias", viewer.id!!))
+        assertEquals(emptyList<Long>(), repository.searchCreatorList("ClearedAlias", viewer.id!!, 0, 20).map { it.id })
+        assertEquals(0, repository.searchCreatorTotalCount("EnglishAlias", viewer.id!!))
+        assertEquals(1, repository.searchCreatorTotalCount("current-original", viewer.id!!))
+        assertEquals(0, repository.searchContentTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL))
+        assertEquals(0, repository.searchSeriesTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL))
+        assertEquals(1, repository.searchContentTotalCount("current-original", viewer.id!!, false, ContentType.ALL))
+        assertEquals(1, repository.searchSeriesTotalCount("current-original", viewer.id!!, false, ContentType.ALL))
+
+        repeat(2) {
+            jdbcTemplate.update(
+                "update creator_localized_name set is_active = true where member_id = ? and lang = 'JA'",
+                creator.id!!
+            )
+            assertAll(
+                { assertEquals(1, repository.searchCreatorTotalCount("ClearedAlias", viewer.id!!)) },
+                { assertEquals(1, repository.searchContentTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL)) },
+                { assertEquals(1, repository.searchSeriesTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL)) },
+                {
+                    assertEquals(
+                        listOf(content.id),
+                        repository.searchContentList("ClearedAlias", viewer.id!!, false, ContentType.ALL, 0, 20).map { it.id }
+                    )
+                },
+                {
+                    assertEquals(
+                        listOf(series.id),
+                        repository.searchSeriesList("ClearedAlias", viewer.id!!, false, ContentType.ALL, 0, 20).map { it.id }
+                    )
+                },
+                {
+                    assertEquals(
+                        listOf(creator.id),
+                        repository.searchCreatorList("ClearedAlias", viewer.id!!, 0, 20).map { it.id }
+                    )
+                }
+            )
+            jdbcTemplate.update(
+                "update creator_localized_name set is_active = false where member_id = ? and lang = 'JA'",
+                creator.id!!
+            )
+            assertEquals(0, repository.searchCreatorTotalCount("ClearedAlias", viewer.id!!))
+            assertEquals(0, repository.searchContentTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL))
+            assertEquals(0, repository.searchSeriesTotalCount("ClearedAlias", viewer.id!!, false, ContentType.ALL))
+        }
+    }
+
+    @Test
+    @DisplayName("콘텐츠 검색은 소유자 별칭을 찾되 성인·활성·완성·한정·차단 필터와 콘텐츠 제목을 보존한다")
+    fun shouldSearchContentOwnerAliasWithMatchingCountAndExistingContentFilters() {
+        val viewer = saveMember("content-search-viewer", MemberRole.USER)
+        val creator = saveMember("audio-owner-original")
+        val visible = saveContent(creator, "Unchanged audio title")
+        saveContent(creator, "adult audio").isAdult = true
+        saveContent(creator, "inactive audio").isActive = false
+        saveContent(creator, "unfinished audio").duration = null
+        saveContent(creator, "limited audio", limited = 5)
+        val blocked = saveMember("blocked-audio-owner")
+        saveContent(blocked, "blocked audio")
+        saveBlock(viewer, blocked)
+        saveAlias(creator, "AudioAlias")
+        saveAlias(creator, "English Audio Owner", lang = "EN")
+        saveAlias(blocked, "AudioAlias")
+        entityManager.clear()
+
+        val statistics = entityManager.entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        val items = repository.searchContentList("AudioAlias", viewer.id!!, false, ContentType.ALL, 0, 20, Lang.JA)
+        val aliasQueries = statistics.queries.filter {
+            Regex("""(?is)^select\s+\w+\.memberId,\s*\w+\.displayName\s+from\s+CreatorLocalizedNameEntity\b""")
+                .containsMatchIn(it)
+        }
+        val aliasQueryCount = aliasQueries.sumOf { statistics.getQueryStatistics(it).executionCount }
+        val queryCount = statistics.queryExecutionCount
+
+        assertAll(
+            { assertEquals(1, repository.searchContentTotalCount("AudioAlias", viewer.id!!, false, ContentType.ALL)) },
+            { assertEquals(listOf(visible.id), items.map { it.id }) },
+            { assertEquals(listOf("Unchanged audio title"), items.map { it.title }) },
+            { assertEquals(listOf("AudioAlias"), items.map { it.nickname }) },
+            { assertEquals(1, repository.searchContentTotalCount("audio-owner-original", viewer.id!!, false, ContentType.ALL)) },
+            { assertEquals(1, repository.searchContentTotalCount("Unchanged audio title", viewer.id!!, false, ContentType.ALL)) }
+        )
+        assertEquals(0L, aliasQueryCount, "Standalone alias SELECTs (total queries=$queryCount): $aliasQueries")
+        val englishItems = repository.searchContentList("AudioAlias", viewer.id!!, false, ContentType.ALL, 0, 20, Lang.EN)
+        assertEquals(listOf("English Audio Owner"), englishItems.map { it.nickname })
+        assertEquals(0, repository.searchContentTotalCount("English Audio Owner", viewer.id!!, false, ContentType.ALL))
+    }
+
+    @Test
+    @DisplayName("시리즈 검색은 시리즈 소유자 별칭을 찾고 콘텐츠 조인 중복과 기존 공개 필터를 보존한다")
+    fun shouldSearchSeriesOwnerAliasWithoutDuplicatingJoinedContentsOrChangingTitles() {
+        val viewer = saveMember("series-search-viewer", MemberRole.USER)
+        val creator = saveMember("series-owner-original")
+        val audioOwner = saveMember("different-audio-owner")
+        val visible = saveSeries(creator, "Unchanged series title", saveContent(audioOwner, "first episode"))
+        saveSeriesContent(visible, saveContent(audioOwner, "second episode"))
+        saveSeries(creator, "adult series", saveContent(creator, "public episode")).isAdult = true
+        saveSeries(creator, "adult episode series", saveContent(creator, "adult episode").apply { isAdult = true })
+        saveSeries(creator, "inactive series", saveContent(creator, "active episode")).isActive = false
+        saveSeries(creator, "unfinished series", saveContent(creator, "unfinished episode").apply { duration = null })
+        val blocked = saveMember("blocked-series-owner")
+        saveSeries(blocked, "blocked series", saveContent(blocked, "blocked episode"))
+        saveBlock(blocked, viewer)
+        saveAlias(creator, "SeriesAlias")
+        saveAlias(audioOwner, "EpisodeOwnerAlias")
+        saveAlias(blocked, "SeriesAlias")
+        entityManager.clear()
+
+        val items = repository.searchSeriesList("SeriesAlias", viewer.id!!, false, ContentType.ALL, 0, 20)
+
+        assertAll(
+            { assertEquals(1, repository.searchSeriesTotalCount("SeriesAlias", viewer.id!!, false, ContentType.ALL)) },
+            { assertEquals(listOf(visible.id), items.map { it.id }) },
+            { assertEquals(listOf("Unchanged series title"), items.map { it.title }) },
+            { assertEquals(0, repository.searchSeriesTotalCount("EpisodeOwnerAlias", viewer.id!!, false, ContentType.ALL)) },
+            { assertEquals(1, repository.searchSeriesTotalCount("series-owner-original", viewer.id!!, false, ContentType.ALL)) },
+            { assertEquals(1, repository.searchSeriesTotalCount("Unchanged series title", viewer.id!!, false, ContentType.ALL)) }
+        )
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole = MemberRole.CREATOR): Member {
+        return Member(
+            email = "$nickname@test.com",
+            password = "password",
+            nickname = nickname,
+            profileImage = "$nickname.png",
+            role = role
+        ).also { entityManager.persist(it) }
+    }
+
+    private fun saveAlias(member: Member, displayName: String, isActive: Boolean = true, lang: String = "JA") {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            lang,
+            displayName,
+            isActive
+        )
+    }
+
+    private fun saveBlock(member: Member, blockedMember: Member) {
+        entityManager.persist(
+            BlockMember(isActive = true).apply {
+                this.member = member
+                this.blockedMember = blockedMember
+            }
+        )
+    }
+
+    private fun saveContent(creator: Member, title: String, limited: Int? = null): AudioContent {
+        val theme = AudioContentTheme(theme = "theme-$title", image = "theme.png")
+        entityManager.persist(theme)
+        return AudioContent(
+            title = title,
+            detail = "description",
+            languageCode = "ko",
+            releaseDate = LocalDateTime.now().minusDays(1),
+            limited = limited
+        ).apply {
+            member = creator
+            this.theme = theme
+            isActive = true
+            coverImage = "audio.png"
+            duration = "00:10:00"
+            entityManager.persist(this)
+        }
+    }
+
+    private fun saveSeries(creator: Member, title: String, content: AudioContent): Series {
+        val genre = SeriesGenre(genre = "genre-$title", isAdult = false, isActive = true)
+        entityManager.persist(genre)
+        return Series(title = title, introduction = "introduction", languageCode = "ko").apply {
+            member = creator
+            this.genre = genre
+            coverImage = "series.png"
+            entityManager.persist(this)
+            saveSeriesContent(this, content)
+        }
+    }
+
+    private fun saveSeriesContent(series: Series, content: AudioContent) {
+        entityManager.persist(
+            SeriesContent().apply {
+                this.series = series
+                this.content = content
+            }
+        )
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/search/SearchServiceTest.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.search
 
 import kr.co.vividnext.sodalive.content.ContentType
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.DisplayName
@@ -9,7 +10,7 @@ import org.mockito.Mockito
 
 class SearchServiceTest {
     private val repository: SearchRepository = Mockito.mock(SearchRepository::class.java)
-    private val service = SearchService(repository)
+    private val service = SearchService(repository, LangContext())
 
     @Test
     @DisplayName("콘텐츠 검색은 전달받은 isAdult 값을 그대로 사용한다")

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/community/LegacyCommunityPostCharacterizationTest.kt

@@ -132,6 +132,7 @@ class LegacyCommunityPostCharacterizationTest {
         assertEquals(FcmEventType.CHANGE_NOTICE, event.type)
         assertEquals(PushNotificationCategory.COMMUNITY, event.category)
         assertEquals("creator.community.fcm.new_post", event.messageKey)
+        assertEquals(creator.id, event.titleMemberId)
         assertEquals(creator.id, event.creatorId)
         assertEquals(FcmDeepLinkValue.COMMUNITY, event.deepLinkValue)
         assertEquals(creator.id, event.deepLinkId)

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/fantalk/LegacyFanTalkReplyCharacterizationTest.kt

@@ -22,6 +22,7 @@ import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.MemberService
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertFalse
 import org.junit.jupiter.api.Assertions.assertNull
@@ -42,6 +43,7 @@ class LegacyFanTalkReplyCharacterizationTest {
     private lateinit var cheersRepository: CreatorCheersRepository
     private lateinit var applicationEventPublisher: ApplicationEventPublisher
     private lateinit var messageSource: SodaMessageSource
+    private lateinit var localizedNameService: CreatorLocalizedNameService
     private lateinit var service: ExplorerService
 
     @BeforeEach
@@ -51,6 +53,7 @@ class LegacyFanTalkReplyCharacterizationTest {
         cheersRepository = Mockito.mock(CreatorCheersRepository::class.java)
         applicationEventPublisher = Mockito.mock(ApplicationEventPublisher::class.java)
         messageSource = Mockito.mock(SodaMessageSource::class.java)
+        localizedNameService = Mockito.mock(CreatorLocalizedNameService::class.java)
         service = ExplorerService(
             memberService = memberService,
             memberContentPreferenceService = Mockito.mock(MemberContentPreferenceService::class.java),
@@ -66,6 +69,7 @@ class LegacyFanTalkReplyCharacterizationTest {
             contentTranslationRepository = Mockito.mock(ContentTranslationRepository::class.java),
             messageSource = messageSource,
             langContext = LangContext().apply { setLang(Lang.KO) },
+            localizedNameService = localizedNameService,
             cloudFrontHost = "https://cdn.test"
         )
     }
@@ -177,6 +181,8 @@ class LegacyFanTalkReplyCharacterizationTest {
         val root = createCheers(id = 300L, content = "root", member = creator, creator = creator)
         Mockito.`when`(queryRepository.getMember(creator.id!!)).thenReturn(creator)
         Mockito.`when`(queryRepository.getCreatorCheers(root.id!!)).thenReturn(root)
+        Mockito.`when`(localizedNameService.findLocalizedNames(listOf(creator.id!!), Lang.KO))
+            .thenReturn(mapOf(creator.id!! to "Korean creator alias"))
         var nextId = 301L
         Mockito.`when`(cheersRepository.save(Mockito.any(CreatorCheers::class.java))).thenAnswer { invocation ->
             invocation.getArgument<CreatorCheers>(0).also { cheers ->
@@ -185,7 +191,7 @@ class LegacyFanTalkReplyCharacterizationTest {
             }
         }
 
-        service.writeCheers(
+        val response = service.writeCheers(
             PostWriteCheersRequest(root.id, creator.id!!, "first reply", "ko"),
             creator
         )
@@ -198,6 +204,8 @@ class LegacyFanTalkReplyCharacterizationTest {
         Mockito.verify(cheersRepository, Mockito.times(2)).save(cheersCaptor.capture())
         assertEquals(listOf("first reply", "second reply"), cheersCaptor.allValues.map { it.cheers })
         assertTrue(cheersCaptor.allValues.all { it.parent === root })
+        assertEquals("duplicate-creator", response.writerNickname)
+        Mockito.verifyNoInteractions(localizedNameService)
     }
 
     @Test
@@ -222,6 +230,8 @@ class LegacyFanTalkReplyCharacterizationTest {
         Mockito.`when`(queryRepository.getMember(creator.id!!)).thenReturn(creator)
         Mockito.`when`(memberService.isBlocked(writer.id!!, creator.id!!)).thenReturn(true)
         Mockito.`when`(messageSource.getMessage("explorer.creator.blocked_cheers", Lang.KO)).thenReturn("blocked %s")
+        Mockito.`when`(localizedNameService.findLocalizedNames(listOf(creator.id!!), Lang.KO))
+            .thenReturn(mapOf(creator.id!! to "Korean blocked alias"))
 
         val exception = assertThrows(SodaException::class.java) {
             service.writeCheers(PostWriteCheersRequest(creatorId = creator.id!!, content = "reply"), writer)
@@ -229,6 +239,7 @@ class LegacyFanTalkReplyCharacterizationTest {
 
         assertNull(exception.messageKey)
         assertEquals("blocked blocked-creator", exception.message)
+        Mockito.verifyNoInteractions(localizedNameService)
         Mockito.verifyNoInteractions(cheersRepository, applicationEventPublisher)
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/v2/creatorname/application/LegacyCurrentNameReadIntegrationTest.kt

@@ -0,0 +1,467 @@
+package kr.co.vividnext.sodalive.v2.creatorname.application
+
+import kr.co.vividnext.sodalive.audition.Audition
+import kr.co.vividnext.sodalive.audition.AuditionApplicant
+import kr.co.vividnext.sodalive.audition.AuditionRole
+import kr.co.vividnext.sodalive.audition.applicant.AuditionApplicantService
+import kr.co.vividnext.sodalive.audition.applicant.AuditionApplicantSortType
+import kr.co.vividnext.sodalive.aws.cloudfront.AudioContentCloudFront
+import kr.co.vividnext.sodalive.can.CanService
+import kr.co.vividnext.sodalive.can.payment.PaymentGateway
+import kr.co.vividnext.sodalive.can.use.CanUsage
+import kr.co.vividnext.sodalive.can.use.UseCan
+import kr.co.vividnext.sodalive.can.use.UseCanCalculate
+import kr.co.vividnext.sodalive.can.use.UseCanCalculateStatus
+import kr.co.vividnext.sodalive.common.CountryContext
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.AudioContentService
+import kr.co.vividnext.sodalive.content.order.Order
+import kr.co.vividnext.sodalive.content.order.OrderService
+import kr.co.vividnext.sodalive.content.order.OrderType
+import kr.co.vividnext.sodalive.content.playlist.AudioContentPlaylist
+import kr.co.vividnext.sodalive.content.playlist.AudioContentPlaylistRedisRepository
+import kr.co.vividnext.sodalive.content.playlist.AudioContentPlaylistService
+import kr.co.vividnext.sodalive.content.playlist.PlaylistContentIdAndOrder
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.explorer.ExplorerService
+import kr.co.vividnext.sodalive.explorer.MemberDonationRankingListResponse
+import kr.co.vividnext.sodalive.explorer.MemberDonationRankingResponse
+import kr.co.vividnext.sodalive.explorer.profile.channelDonation.ChannelDonationMessage
+import kr.co.vividnext.sodalive.explorer.profile.channelDonation.ChannelDonationService
+import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.CreatorCommunity
+import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.CreatorCommunityService
+import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.comment.CreatorCommunityComment
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.member.DonationRankingPeriod
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.MemberService
+import kr.co.vividnext.sodalive.member.block.BlockMember
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.mockito.Mockito
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.data.domain.PageRequest
+import org.springframework.data.redis.core.RedisTemplate
+import org.springframework.jdbc.core.JdbcTemplate
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@SpringBootTest(
+    properties = [
+        "spring.cache.type=none",
+        "cloud.aws.cloud-front.host=https://cdn.test",
+        "spring.datasource.url=jdbc:h2:mem:legacy-current-name-reads;MODE=MySQL;NON_KEYWORDS=VALUE;DB_CLOSE_ON_EXIT=FALSE"
+    ]
+)
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@Transactional
+class LegacyCurrentNameReadIntegrationTest @Autowired constructor(
+    private val entityManager: EntityManager,
+    private val jdbcTemplate: JdbcTemplate,
+    private val memberService: MemberService,
+    private val orderService: OrderService,
+    private val playlistService: AudioContentPlaylistService,
+    private val playlistRepository: AudioContentPlaylistRedisRepository,
+    private val communityService: CreatorCommunityService,
+    private val donationService: ChannelDonationService,
+    private val explorerService: ExplorerService,
+    private val canService: CanService,
+    private val contentService: AudioContentService,
+    private val applicantService: AuditionApplicantService,
+    private val redisTemplate: RedisTemplate<String, Any>
+) {
+    @MockBean
+    private lateinit var langContext: LangContext
+
+    @MockBean
+    private lateinit var countryContext: CountryContext
+
+    @MockBean
+    private lateinit var cloudFront: AudioContentCloudFront
+
+    @BeforeEach
+    fun setUp() {
+        jdbcTemplate.execute(
+            "CREATE ALIAS IF NOT EXISTS DATE_FORMAT FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.dateFormat'"
+        )
+        jdbcTemplate.execute(
+            "CREATE ALIAS IF NOT EXISTS CONVERT_TZ FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.convertTz'"
+        )
+        Mockito.doReturn(Lang.JA).`when`(langContext).lang
+        Mockito.doReturn("US").`when`(countryContext).countryCode
+        Mockito.doReturn("https://cdn.test/signed-audio").`when`(cloudFront)
+            .generateSignedURL(Mockito.anyString(), Mockito.anyLong())
+    }
+
+    @Test
+    @DisplayName("다른 회원 프로필과 차단 목록은 JA 이름을 표시하고 편집용 원본 프로필과 USER는 보존한다")
+    fun shouldLocalizeMemberDisplayAndBlockedListWithoutChangingRawEditorOrUserName() {
+        val viewer = saveMember("blocked-viewer", MemberRole.USER)
+        val creator = saveMember("blocked-creator", MemberRole.CREATOR)
+        val user = saveMember("blocked-user", MemberRole.USER)
+        listOf(creator, user).forEach { target ->
+            entityManager.persist(
+                BlockMember().apply {
+                    member = viewer
+                    blockedMember = target
+                }
+            )
+        }
+        saveAlias(creator, "Japanese blocked creator")
+        saveAlias(user, "Must not replace blocked USER")
+        entityManager.clear()
+
+        assertEquals("Japanese blocked creator", memberService.getMemberProfile(creator.id!!, viewer.id!!).nickname)
+        assertEquals("blocked-creator", memberService.getMember(creator.id!!, "web").nickname)
+        assertEquals("Japanese blocked creator", memberService.getMyPage(creator, "web").nickname)
+        val blocked = memberService.getBlockedMemberList(viewer.id!!, 0, 20)
+        assertEquals(2, blocked.totalCount)
+        assertEquals(
+            mapOf(creator.id to "Japanese blocked creator", user.id to "blocked-user"),
+            blocked.items.associate { it.memberId to it.nickname }
+        )
+        assertEquals("blocked-creator", entityManager.find(Member::class.java, creator.id).nickname)
+    }
+
+    @Test
+    @DisplayName("주문과 Redis 플레이리스트 상세는 콘텐츠 ID와 다른 소유자 이름을 현재 언어로 표시한다")
+    fun shouldLocalizeOrderAndPlaylistOwnersWithoutChangingTitlesOrStoredPlaylist() {
+        val viewer = saveMember("playlist-viewer", MemberRole.USER)
+        val creator = saveMember("playlist-creator", MemberRole.CREATOR)
+        val content = saveContent(creator, "Unchanged playlist title")
+        entityManager.persist(
+            Order(type = OrderType.KEEP).apply {
+                member = viewer
+                this.creator = creator
+                audioContent = content
+            }
+        )
+        saveAlias(creator, "Japanese playlist creator")
+        entityManager.clear()
+        assertNotEquals(creator.id, content.id)
+        val playlist = AudioContentPlaylist(
+            id = 100000L + viewer.id!!,
+            memberId = viewer.id!!,
+            title = "playlist metadata",
+            contentIdAndOrderList = listOf(PlaylistContentIdAndOrder(content.id!!, 1))
+        )
+        playlistRepository.save(playlist)
+        try {
+            val order = orderService.getAudioContentOrderList(viewer, 0, 20)
+            assertEquals("Japanese playlist creator", order.items.single().creatorNickname)
+            assertEquals("Unchanged playlist title", order.items.single().title)
+            val detail = playlistService.getPlaylistDetail(playlist.id, viewer)
+            assertEquals("Japanese playlist creator", detail.contentList.single().creatorNickname)
+            assertEquals("Unchanged playlist title", detail.contentList.single().title)
+            assertEquals(playlist, playlistRepository.findById(playlist.id).orElseThrow())
+            Mockito.doReturn(Lang.KO).`when`(langContext).lang
+            val korean = playlistService.getPlaylistDetail(playlist.id, viewer)
+            assertEquals("playlist-creator", korean.contentList.single().creatorNickname)
+            assertEquals("Japanese playlist creator", detail.contentList.single().creatorNickname)
+        } finally {
+            playlistRepository.delete(playlist)
+        }
+    }
+
+    @Test
+    @DisplayName("한정 콘텐츠 상세의 구매자 목록은 콘텐츠 소유자가 아닌 각 구매자 CREATOR 이름만 대체한다")
+    fun shouldLocalizeMixedBuyerNamesByBuyerIdWithoutAddingPublicOwnerFields() {
+        val owner = saveMember("buyer-content-owner", MemberRole.CREATOR)
+        val creatorBuyer = saveMember("buyer-creator", MemberRole.CREATOR)
+        val userBuyer = saveMember("buyer-user", MemberRole.USER)
+        val content = saveContent(owner, "Unchanged limited content title", limited = 5)
+        listOf(creatorBuyer, userBuyer).forEach { buyer ->
+            entityManager.persist(
+                Order(type = OrderType.KEEP).apply {
+                    member = buyer
+                    creator = owner
+                    audioContent = content
+                }
+            )
+        }
+        saveAlias(owner, "Japanese content owner")
+        saveAlias(creatorBuyer, "Japanese buyer")
+        saveAlias(userBuyer, "Must not replace buyer USER")
+        entityManager.clear()
+
+        val detail = contentService.getDetail(content.id!!, owner, false, "Asia/Seoul")
+
+        assertEquals("Japanese content owner", detail.creator.nickname)
+        assertEquals(setOf("Japanese buyer", "buyer-user"), detail.buyerList.map { it.nickname }.toSet())
+        assertEquals("Unchanged limited content title", detail.title)
+        assertEquals("https://cdn.test/signed-audio", detail.contentUrl)
+    }
+
+    @Test
+    @DisplayName("레거시 커뮤니티 게시글·댓글·답글·구매 응답은 활성 JA·KO 별칭이 있어도 원본 이름을 유지한다")
+    fun shouldKeepOriginalCommunityNamesDespiteActiveJaAndKoAliases() {
+        val viewer = saveMember("community-viewer", MemberRole.USER)
+        val creator = saveMember("community-owner", MemberRole.CREATOR)
+        val peer = saveMember("deleted_community-peer", MemberRole.CREATOR)
+        val post = savePost(creator)
+        val parent = CreatorCommunityComment(comment = "unchanged creator comment").apply {
+            member = peer
+            creatorCommunity = post
+            entityManager.persist(this)
+        }
+        val reply = CreatorCommunityComment(comment = "unchanged USER reply").apply {
+            member = viewer
+            creatorCommunity = post
+            this.parent = parent
+            entityManager.persist(this)
+        }
+        val creatorReply = CreatorCommunityComment(comment = "unchanged creator reply").apply {
+            member = creator
+            creatorCommunity = post
+            this.parent = parent
+            entityManager.persist(this)
+        }
+        saveReceipt(viewer, CanUsage.PAID_COMMUNITY_POST, creator).communityPost = post
+        saveAlias(creator, "Japanese community owner")
+        saveAlias(peer, "Japanese community writer")
+        saveAlias(viewer, "Must not replace community USER")
+        listOf(creator, peer).forEach { writer ->
+            jdbcTemplate.update(
+                "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                    "values (?, 'KO', ?, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+                writer.id!!,
+                "Korean ${writer.nickname}"
+            )
+        }
+        entityManager.clear()
+
+        listOf(Lang.JA, Lang.KO).forEach { lang ->
+            Mockito.doReturn(lang).`when`(langContext).lang
+            val posts = communityService.getCommunityPostList(creator.id!!, viewer.id!!, "Asia/Seoul", 0, 20, false)
+            assertEquals("community-owner", posts.single().creatorNickname)
+            assertEquals("community-peer", posts.single().firstComment!!.nickname)
+            assertEquals("unchanged post content", posts.single().content)
+            val detail = communityService.getCommunityPostDetail(post.id!!, viewer.id!!, "Asia/Seoul", false)
+            assertEquals("community-owner", detail.creatorNickname)
+            val comments = communityService.getCommunityPostCommentList(post.id!!, viewer.id!!, "Asia/Seoul", 0, 20, false)
+            assertEquals("community-peer", comments.items.single().nickname)
+            val replies = communityService.getCommentReplyList(parent.id!!, viewer.id!!, "Asia/Seoul", 0, 20, false)
+            assertEquals(
+                mapOf(reply.id to "community-viewer", creatorReply.id to "community-owner"),
+                replies.items.associate { it.id to it.nickname }
+            )
+            assertEquals("unchanged USER reply", replies.items.single { it.id == reply.id }.comment)
+            val purchased = communityService.purchasePost(post.id!!, viewer.id!!, "Asia/Seoul", false, "web")
+            assertEquals("community-owner", purchased.creatorNickname)
+            assertEquals("community-peer", purchased.firstComment!!.nickname)
+        }
+    }
+
+    @Test
+    @DisplayName("채널 후원 목록의 이름 소유자는 채널이 아니라 후원자이며 USER는 원본이다")
+    fun shouldLocalizeCreatorDonorsIndependentlyOfTheChannelOwner() {
+        val viewer = saveMember("donation-viewer", MemberRole.USER)
+        val creator = saveMember("donation-channel", MemberRole.CREATOR)
+        val donor = saveMember("donation-creator-donor", MemberRole.CREATOR)
+        listOf(viewer, donor).forEach { writer ->
+            entityManager.persist(
+                ChannelDonationMessage(can = 100, isSecret = false).apply {
+                    member = writer
+                    this.creator = creator
+                }
+            )
+        }
+        saveAlias(creator, "Wrong channel owner name")
+        saveAlias(donor, "Japanese donor")
+        saveAlias(viewer, "Must not replace donor USER")
+        entityManager.clear()
+
+        val response = donationService.getChannelDonationList(creator.id!!, viewer, 0, 20)
+        assertEquals(2, response.totalCount)
+        assertEquals(
+            mapOf(donor.id to "Japanese donor", viewer.id to "donation-viewer"),
+            response.items.associate { it.memberId to it.nickname }
+        )
+        assertEquals(listOf(100, 100), response.items.map { it.can })
+    }
+
+    @Test
+    @DisplayName("receipt는 각 recipient·audio·community 소유자의 현재 이름을 쓰고 리소스 제목과 금액을 보존한다")
+    fun shouldLocalizeReceiptOwnerNamesWithoutReplacingResourceTitlesOrAmounts() {
+        val viewer = saveMember("receipt-viewer", MemberRole.USER)
+        val owner = saveMember("receipt-owner", MemberRole.CREATOR)
+        val recipient = saveMember("receipt-recipient", MemberRole.CREATOR)
+        val content = saveContent(owner, "Unchanged receipt content title")
+        val post = savePost(owner)
+        saveReceipt(viewer, CanUsage.DONATION, owner).audioContent = content
+        saveReceipt(viewer, CanUsage.PAID_COMMUNITY_POST, owner).communityPost = post
+        saveReceipt(viewer, CanUsage.CHANNEL_DONATION, recipient)
+        saveReceipt(viewer, CanUsage.CHANNEL_DONATION, viewer)
+        saveReceipt(viewer, CanUsage.ORDER_CONTENT, owner).audioContent = content
+        saveAlias(owner, "Japanese receipt owner")
+        saveAlias(recipient, "Japanese recipient")
+        saveAlias(viewer, "Must not replace receipt USER")
+        entityManager.clear()
+
+        val rows = canService.getCanUseStatus(viewer, PageRequest.of(0, 20), "UTC", "web")
+        assertEquals(
+            setOf(
+                "[콘텐츠 후원] Japanese receipt owner",
+                "[게시글 보기] Japanese receipt owner",
+                "[채널 후원] Japanese recipient",
+                "[채널 후원] receipt-viewer",
+                "[콘텐츠 구매] Unchanged receipt content title"
+            ),
+            rows.map { it.title }.toSet()
+        )
+        assertEquals(5, rows.size)
+        assertEquals(listOf(100, 100, 100, 100, 100), rows.map { it.can })
+    }
+
+    @Test
+    @DisplayName("오디션 지원자는 applicant ID가 아닌 member ID로 이름을 표시하고 USER·count·정렬을 보존한다")
+    fun shouldLocalizeAuditionApplicantsByMemberIdAndKeepUserNamesAndCount() {
+        saveMember("applicant-unused-viewer", MemberRole.USER)
+        val creator = saveMember("applicant-creator", MemberRole.CREATOR)
+        val user = saveMember("applicant-user", MemberRole.USER)
+        val audition = Audition(title = "Unchanged audition title", information = "information")
+        entityManager.persist(audition)
+        val role = AuditionRole(name = "Unchanged role name", information = "information").apply {
+            this.audition = audition
+            entityManager.persist(this)
+        }
+        val creatorApplicant = AuditionApplicant(phoneNumber = "01000000000", voicePath = "voice.m4a").apply {
+            member = creator
+            this.role = role
+            entityManager.persist(this)
+        }
+        val userApplicant = AuditionApplicant(phoneNumber = "01000000001", voicePath = "voice.m4a").apply {
+            member = user
+            this.role = role
+            entityManager.persist(this)
+        }
+        saveAlias(creator, "Japanese applicant")
+        saveAlias(user, "Must not replace applicant USER")
+        entityManager.clear()
+        assertNotEquals(creator.id, creatorApplicant.id)
+
+        val response = applicantService.getAuditionApplicantList(role.id!!, AuditionApplicantSortType.NEWEST, 0, 20)
+
+        assertEquals(2, response.totalCount)
+        assertEquals(listOf(userApplicant.id, creatorApplicant.id), response.items.map { it.applicantId })
+        assertEquals(listOf("applicant-user", "Japanese applicant"), response.items.map { it.nickname })
+    }
+
+    @Test
+    @DisplayName("중립 후원랭킹 cache hit는 요청별 현재 이름을 복사하고 원본 변경·해제 후 현재 원본으로 돌아간다")
+    fun shouldRenderCachedDonorNamesAfterReadAndKeepCachedRowsImmutable() {
+        val viewer = saveMember("cached-viewer", MemberRole.USER)
+        val channel = saveMember("cached-channel", MemberRole.CREATOR)
+        val donor = saveMember("cached-donor-original", MemberRole.CREATOR)
+        saveAlias(donor, "Japanese cached donor")
+        entityManager.clear()
+        val key = "creator_donation_ranking_v2:${channel.id}:CUMULATIVE:0:20:false"
+        val totalKey = "creator_donation_ranking_member_total_v2:${channel.id}:CUMULATIVE"
+        val cached = MemberDonationRankingListResponse(
+            listOf(MemberDonationRankingResponse(donor.id!!, "stale cached original", "image.png", 0))
+        )
+        redisTemplate.opsForValue().set(key, cached)
+        redisTemplate.opsForValue().set(totalKey, 1)
+        try {
+            val japanese = explorerService.getCreatorProfileDonationRanking(
+                channel.id!!,
+                DonationRankingPeriod.CUMULATIVE,
+                PageRequest.of(0, 20),
+                viewer
+            )
+            assertEquals("Japanese cached donor", japanese.userDonationRanking.single().nickname)
+            jdbcTemplate.update("update member set nickname = ? where id = ?", "renamed donor", donor.id!!)
+            jdbcTemplate.update("update creator_localized_name set is_active = false where member_id = ?", donor.id!!)
+            entityManager.clear()
+            val cleared = explorerService.getCreatorProfileDonationRanking(
+                channel.id!!,
+                DonationRankingPeriod.CUMULATIVE,
+                PageRequest.of(0, 20),
+                viewer
+            )
+            assertEquals("renamed donor", cleared.userDonationRanking.single().nickname)
+            assertEquals("Japanese cached donor", japanese.userDonationRanking.single().nickname)
+            assertEquals(cached, redisTemplate.opsForValue().get(key))
+        } finally {
+            redisTemplate.delete(listOf(key, totalKey))
+        }
+    }
+
+    private fun saveMember(nickname: String, role: MemberRole): Member =
+        Member(
+            email = "$nickname@test.com",
+            password = "password",
+            nickname = nickname,
+            profileImage = "profile.png",
+            role = role
+        ).also { entityManager.persist(it) }
+
+    private fun saveContent(owner: Member, title: String, limited: Int? = null): AudioContent {
+        val theme = AudioContentTheme(theme = "theme-$title", image = "theme.png")
+        entityManager.persist(theme)
+        return AudioContent(
+            title = title,
+            detail = "detail",
+            languageCode = "ko",
+            releaseDate = LocalDateTime.now().minusDays(1),
+            limited = limited,
+            remaining = limited
+        )
+            .apply {
+                member = owner
+                this.theme = theme
+                isActive = true
+                content = "output/audio.m4a"
+                duration = "00:10:00"
+                coverImage = "content.png"
+                entityManager.persist(this)
+            }
+    }
+
+    private fun savePost(owner: Member): CreatorCommunity =
+        CreatorCommunity(
+            content = "unchanged post content",
+            price = 0,
+            isCommentAvailable = true,
+            isAdult = false,
+            languageCode = "ko"
+        ).apply {
+            member = owner
+            entityManager.persist(this)
+        }
+
+    private fun saveReceipt(viewer: Member, usage: CanUsage, recipient: Member): UseCan {
+        entityManager.flush()
+        val receipt = UseCan(canUsage = usage, can = 100, rewardCan = 0).apply {
+            member = viewer
+            entityManager.persist(this)
+        }
+        entityManager.persist(
+            UseCanCalculate(100, PaymentGateway.PG, UseCanCalculateStatus.RECEIVED).apply {
+                useCan = receipt
+                recipientCreatorId = recipient.id!!
+            }
+        )
+        return receipt
+    }
+
+    private fun saveAlias(member: Member, name: String) {
+        entityManager.flush()
+        jdbcTemplate.update(
+            "insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at) " +
+                "values (?, 'JA', ?, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            member.id!!,
+            name
+        )
+    }
+}