src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/adapter/in/web/MainContentAllController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.content.all.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.all.application.MainContentAllFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -12,7 +13,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/audio/contents")
 class MainContentAllController(
-    private val facade: MainContentAllFacade
+    private val facade: MainContentAllFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getContents(
@@ -30,7 +32,8 @@ class MainContentAllController(
                 dayOfWeek = dayOfWeek,
                 page = page,
                 size = size,
-                member = member
+                member = member,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/application/MainContentAllFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.all.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.all.dto.MainContentAllTabResponse
 import kr.co.vividnext.sodalive.v2.content.all.application.MainContentAllQueryService
@@ -15,17 +16,18 @@ class MainContentAllFacade(
         dayOfWeek: String?,
         page: Int?,
         size: Int?,
-        member: Member?
+        member: Member?,
+        lang: Lang
     ): MainContentAllTabResponse {
-        return MainContentAllTabResponse.from(
+        val contents = queryService.getContents(
-            queryService.getContents(
             type = type,
             sort = sort,
             dayOfWeek = dayOfWeek,
             page = page,
             size = size,
-                member = member
+            member = member,
-            )
+            lang = lang
         )
+        return MainContentAllTabResponse.from(contents)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/overview/adapter/in/web/ContentOverviewController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.content.overview.adapter.`in`.web
 
 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.v2.api.content.overview.application.ContentOverviewFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -13,7 +14,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/contents")
 class ContentOverviewController(
-    private val facade: ContentOverviewFacade
+    private val facade: ContentOverviewFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getContents(
@@ -22,7 +24,7 @@ class ContentOverviewController(
         @RequestParam(required = false) size: Int?,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(facade.getContents(type, page, size, requireMember(member)))
+        ApiResponse.ok(facade.getContents(type, page, size, requireMember(member), langContext.lang))
     }
 
     private fun requireMember(member: Member?): Member {

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/overview/application/ContentOverviewFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.overview.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.v2.api.content.overview.dto.ContentOverviewItemResponse
@@ -21,42 +22,46 @@ class ContentOverviewFacade(
     private val cloudFrontHost: String,
     private val queryPolicy: ContentOverviewQueryPolicy = ContentOverviewQueryPolicy()
 ) {
-    fun getContents(type: String?, page: Int?, size: Int?, member: Member): ContentOverviewPageResponse {
+    fun getContents(type: String?, page: Int?, size: Int?, member: Member, lang: Lang): ContentOverviewPageResponse {
         val resolvedType = queryPolicy.resolveType(type)
         val resolvedPage = queryPolicy.createPage(page, size)
 
         return when (resolvedType) {
-            ContentOverviewType.NEW_AND_HOT_AUDIO -> getNewAndHotContents(member, resolvedPage)
+            ContentOverviewType.NEW_AND_HOT_AUDIO -> getNewAndHotContents(member, resolvedPage, lang)
-            ContentOverviewType.FIRST_AUDIO_CONTENT -> getFirstAudioContents(member, resolvedPage)
+            ContentOverviewType.FIRST_AUDIO_CONTENT -> getFirstAudioContents(member, resolvedPage, lang)
         }
     }
 
-    private fun getNewAndHotContents(member: Member, page: ContentOverviewPage): ContentOverviewPageResponse {
+    private fun getNewAndHotContents(member: Member, page: ContentOverviewPage, lang: Lang): ContentOverviewPageResponse {
         val fetched = audioRecommendationQueryService.findNewAndHotAudios(
             member = member,
             offset = page.offset,
-            limit = page.size + 1
+            limit = page.size + 1,
+            lang = lang
         )
+        val items = queryPolicy.pageItems(fetched, page)
         return ContentOverviewPageResponse(
             type = ContentOverviewType.NEW_AND_HOT_AUDIO,
-            items = queryPolicy.pageItems(fetched, page).map { ContentOverviewItemResponse.fromNewAndHot(it) },
+            items = items.map(ContentOverviewItemResponse::fromNewAndHot),
             page = page.page,
             size = page.size,
             hasNext = queryPolicy.hasNext(fetched, page)
         )
     }
 
-    private fun getFirstAudioContents(member: Member, page: ContentOverviewPage): ContentOverviewPageResponse {
+    private fun getFirstAudioContents(member: Member, page: ContentOverviewPage, lang: Lang): ContentOverviewPageResponse {
         val fetched = homeRecommendationQueryService.findFirstAudioContents(
             now = LocalDateTime.now(),
             offset = page.offset,
             limit = page.size + 1,
             memberId = member.id,
-            includeAdultContents = memberContentPreferenceService.canViewAdultContent(member)
+            includeAdultContents = memberContentPreferenceService.canViewAdultContent(member),
+            lang = lang
         )
+        val items = queryPolicy.pageItems(fetched, page)
         return ContentOverviewPageResponse(
             type = ContentOverviewType.FIRST_AUDIO_CONTENT,
-            items = queryPolicy.pageItems(fetched, page).map {
+            items = items.map {
                 ContentOverviewItemResponse.fromFirstAudioContent(
                     audio = it,
                     coverImage = it.coverImage.toCdnUrl(cloudFrontHost),

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/ranking/adapter/in/web/AudioRankingController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.content.ranking.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.ranking.application.AudioRankingFacade
 import kr.co.vividnext.sodalive.v2.content.ranking.domain.AudioRankingType
@@ -13,13 +14,14 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/audio/rankings")
 class AudioRankingController(
-    private val facade: AudioRankingFacade
+    private val facade: AudioRankingFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getRankings(
         @RequestParam(defaultValue = "WEEKLY_POPULAR") type: AudioRankingType,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(facade.getRankings(type, member))
+        ApiResponse.ok(facade.getRankings(type, member, langContext.lang))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/ranking/application/AudioRankingFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.ranking.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.ranking.dto.AudioRankingResponse
 import kr.co.vividnext.sodalive.v2.content.ranking.application.AudioRankingQueryService
@@ -10,7 +11,8 @@ import org.springframework.stereotype.Component
 class AudioRankingFacade(
     private val queryService: AudioRankingQueryService
 ) {
-    fun getRankings(type: AudioRankingType, member: Member?): AudioRankingResponse {
+    fun getRankings(type: AudioRankingType, member: Member?, lang: Lang): AudioRankingResponse {
-        return AudioRankingResponse.from(queryService.getRankings(type, member))
+        val result = queryService.getRankings(type, member, lang)
+        return AudioRankingResponse.from(result)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/recommendation/adapter/in/web/AudioRecommendationController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.content.recommendation.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.recommendation.application.AudioRecommendationFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -11,12 +12,13 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/audio/recommendations")
 class AudioRecommendationController(
-    private val audioRecommendationFacade: AudioRecommendationFacade
+    private val audioRecommendationFacade: AudioRecommendationFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getRecommendations(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(audioRecommendationFacade.getRecommendations(member))
+        ApiResponse.ok(audioRecommendationFacade.getRecommendations(member, langContext.lang))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/content/recommendation/application/AudioRecommendationFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.recommendation.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.content.recommendation.dto.AudioRecommendationsResponse
 import kr.co.vividnext.sodalive.v2.content.recommendation.application.AudioRecommendationQueryService
@@ -9,7 +10,8 @@ import org.springframework.stereotype.Component
 class AudioRecommendationFacade(
     private val queryService: AudioRecommendationQueryService
 ) {
-    fun getRecommendations(member: Member?): AudioRecommendationsResponse {
+    fun getRecommendations(member: Member?, lang: Lang): AudioRecommendationsResponse {
-        return AudioRecommendationsResponse.from(queryService.getRecommendations(member))
+        val result = queryService.getRecommendations(member, lang)
+        return AudioRecommendationsResponse.from(result)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/adapter/in/web/CreatorChannelAudioController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.adapter.`in`.web
 
 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.v2.api.creator.channel.audio.application.CreatorChannelAudioFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -14,7 +15,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelAudioController(
-    private val creatorChannelAudioFacade: CreatorChannelAudioFacade
+    private val creatorChannelAudioFacade: CreatorChannelAudioFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/audio")
     fun getAudioTab(
@@ -32,7 +34,8 @@ class CreatorChannelAudioController(
                 sort = sort,
                 themeId = themeId,
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/application/CreatorChannelAudioFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.audio.dto.CreatorChannelAudioTabResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.audio.application.CreatorChannelAudioQueryService
@@ -19,7 +20,8 @@ class CreatorChannelAudioFacade(
         themeId: Long?,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelAudioTabResponse {
         return CreatorChannelAudioTabResponse.from(
             creatorChannelAudioQueryService.getAudioTab(
@@ -29,7 +31,8 @@ class CreatorChannelAudioFacade(
                 themeId = themeId,
                 page = page,
                 size = size,
-                now = now
+                now = now,
+                lang = lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/adapter/in/web/CreatorChannelCommunityController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.community.adapter.`in`.w
 
 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.v2.api.creator.channel.community.application.CreatorChannelCommunityFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -14,7 +15,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelCommunityController(
-    private val creatorChannelCommunityFacade: CreatorChannelCommunityFacade
+    private val creatorChannelCommunityFacade: CreatorChannelCommunityFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/community")
     fun getCommunityTab(
@@ -28,7 +30,8 @@ class CreatorChannelCommunityController(
                 creatorId = creatorId,
                 viewer = requireMember(member),
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }
@@ -41,7 +44,8 @@ class CreatorChannelCommunityController(
         ApiResponse.ok(
             creatorChannelCommunityFacade.getCommunityPostDetail(
                 postId = postId,
-                viewer = requireMember(member)
+                viewer = requireMember(member),
+                lang = langContext.lang
             )
         )
     }
@@ -58,7 +62,8 @@ class CreatorChannelCommunityController(
                 postId = postId,
                 viewer = requireMember(member),
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }
@@ -75,7 +80,8 @@ class CreatorChannelCommunityController(
                 commentId = commentId,
                 viewer = requireMember(member),
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/application/CreatorChannelCommunityFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.community.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChannelCommunityCommentsResponse
 import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChannelCommunityPostDetailResponse
@@ -20,31 +21,33 @@ class CreatorChannelCommunityFacade(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityTabResponse {
-        return CreatorChannelCommunityTabResponse.from(
+        val tab = creatorChannelCommunityQueryService.getCommunityTab(
-            creatorChannelCommunityQueryService.getCommunityTab(
             creatorId = creatorId,
             viewer = viewer,
             page = page,
             size = size,
-                now = now
+            now = now,
-            )
+            lang = lang
         )
+        return CreatorChannelCommunityTabResponse.from(tab)
     }
 
     fun getCommunityPostDetail(
         postId: Long,
         viewer: Member,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityPostDetailResponse {
-        return CreatorChannelCommunityPostDetailResponse.from(
+        val detail = creatorChannelCommunityQueryService.getCommunityPostDetail(
-            creatorChannelCommunityQueryService.getCommunityPostDetail(
             postId = postId,
             viewer = viewer,
-                now = now
+            now = now,
-            )
+            lang = lang
         )
+        return CreatorChannelCommunityPostDetailResponse.from(detail)
     }
 
     fun getCommunityComments(
@@ -52,17 +55,18 @@ class CreatorChannelCommunityFacade(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityCommentsResponse {
-        return CreatorChannelCommunityCommentsResponse.from(
+        val comments = creatorChannelCommunityQueryService.getCommunityComments(
-            creatorChannelCommunityQueryService.getCommunityComments(
             postId = postId,
             viewer = viewer,
             page = page,
             size = size,
-                now = now
+            now = now,
-            )
+            lang = lang
         )
+        return CreatorChannelCommunityCommentsResponse.from(comments)
     }
 
     fun getCommunityReplies(
@@ -70,16 +74,17 @@ class CreatorChannelCommunityFacade(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityRepliesResponse {
-        return CreatorChannelCommunityRepliesResponse.from(
+        val replies = creatorChannelCommunityQueryService.getCommunityReplies(
-            creatorChannelCommunityQueryService.getCommunityReplies(
             commentId = commentId,
             viewer = viewer,
             page = page,
             size = size,
-                now = now
+            now = now,
-            )
+            lang = lang
         )
+        return CreatorChannelCommunityRepliesResponse.from(replies)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/donation/adapter/in/web/CreatorChannelDonationController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.donation.adapter.`in`.we
 
 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.v2.api.creator.channel.donation.application.CreatorChannelDonationFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -14,7 +15,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelDonationController(
-    private val creatorChannelDonationFacade: CreatorChannelDonationFacade
+    private val creatorChannelDonationFacade: CreatorChannelDonationFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/donations")
     fun getDonationTab(
@@ -28,7 +30,8 @@ class CreatorChannelDonationController(
                 creatorId = creatorId,
                 viewer = requireMember(member),
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/donation/application/CreatorChannelDonationFacade.kt

@@ -1,8 +1,10 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.donation.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.donation.dto.CreatorChannelDonationTabResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.donation.application.CreatorChannelDonationQueryService
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import java.time.LocalDateTime
@@ -10,22 +12,29 @@ import java.time.LocalDateTime
 @Service
 @Transactional(readOnly = true)
 class CreatorChannelDonationFacade(
-    private val creatorChannelDonationQueryService: CreatorChannelDonationQueryService
+    private val creatorChannelDonationQueryService: CreatorChannelDonationQueryService,
+    private val creatorLocalizedNameService: CreatorLocalizedNameService
 ) {
     fun getDonationTab(
         creatorId: Long,
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelDonationTabResponse {
-        return CreatorChannelDonationTabResponse.from(
+        val tab = creatorChannelDonationQueryService.getDonationTab(
-            creatorChannelDonationQueryService.getDonationTab(
             creatorId = creatorId,
             viewer = viewer,
             page = page,
             size = size,
-                now = now
+            now = now,
+            lang = lang
+        )
+        val names = creatorLocalizedNameService.findCurrentNames(tab.rankings.map { it.userId }.toSet(), lang)
+        return CreatorChannelDonationTabResponse.from(
+            tab.copy(
+                rankings = tab.rankings.map { it.copy(nickname = names[it.userId] ?: it.nickname) }
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/fantalk/adapter/in/web/CreatorChannelFanTalkController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.fantalk.adapter.`in`.web
 
 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.v2.api.creator.channel.fantalk.application.CreatorChannelFanTalkFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -14,7 +15,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelFanTalkController(
-    private val creatorChannelFanTalkFacade: CreatorChannelFanTalkFacade
+    private val creatorChannelFanTalkFacade: CreatorChannelFanTalkFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/fan-talks")
     fun getFanTalkTab(
@@ -28,7 +30,8 @@ class CreatorChannelFanTalkController(
                 creatorId = creatorId,
                 viewer = requireMember(member),
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/fantalk/application/CreatorChannelFanTalkFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.fantalk.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.fantalk.dto.CreatorChannelFanTalkTabResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.fantalk.application.CreatorChannelFanTalkQueryService
@@ -17,16 +18,17 @@ class CreatorChannelFanTalkFacade(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelFanTalkTabResponse {
-        return CreatorChannelFanTalkTabResponse.from(
+        val tab = creatorChannelFanTalkQueryService.getFanTalkTab(
-            creatorChannelFanTalkQueryService.getFanTalkTab(
             creatorId = creatorId,
             viewer = viewer,
             page = page,
             size = size,
-                now = now
+            now = now,
-            )
+            lang = lang
         )
+        return CreatorChannelFanTalkTabResponse.from(tab)
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/home/adapter/in/web/CreatorChannelHomeController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.home.adapter.`in`.web
 
 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.v2.api.creator.channel.home.application.CreatorChannelHomeFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -13,7 +14,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelHomeController(
-    private val creatorChannelHomeFacade: CreatorChannelHomeFacade
+    private val creatorChannelHomeFacade: CreatorChannelHomeFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/home")
     fun getHome(
@@ -23,7 +25,8 @@ class CreatorChannelHomeController(
         ApiResponse.ok(
             creatorChannelHomeFacade.getHome(
                 creatorId = creatorId,
-                viewer = requireMember(member)
+                viewer = requireMember(member),
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/home/application/CreatorChannelHomeFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.home.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.home.dto.CreatorChannelHomeResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.home.application.CreatorChannelHomeQueryService
@@ -16,14 +17,10 @@ class CreatorChannelHomeFacade(
     fun getHome(
         creatorId: Long,
         viewer: Member,
-        now: LocalDateTime = LocalDateTime.now(ZoneOffset.UTC)
+        now: LocalDateTime = LocalDateTime.now(ZoneOffset.UTC),
+        lang: Lang
     ): CreatorChannelHomeResponse {
-        return CreatorChannelHomeResponse.from(
+        val home = creatorChannelHomeQueryService.getHome(creatorId = creatorId, viewer = viewer, now = now, lang = lang)
-            creatorChannelHomeQueryService.getHome(
+        return CreatorChannelHomeResponse.from(home)
-                creatorId = creatorId,
-                viewer = viewer,
-                now = now
-            )
-        )
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/live/adapter/in/web/CreatorChannelLiveController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.live.adapter.`in`.web
 
 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.v2.api.creator.channel.live.application.CreatorChannelLiveFacade
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
@@ -15,7 +16,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelLiveController(
-    private val creatorChannelLiveFacade: CreatorChannelLiveFacade
+    private val creatorChannelLiveFacade: CreatorChannelLiveFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/live")
     fun getLiveTab(
@@ -31,7 +33,8 @@ class CreatorChannelLiveController(
                 viewer = requireMember(member),
                 sort = sort,
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/live/application/CreatorChannelLiveFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.live.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.live.dto.CreatorChannelLiveTabResponse
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
@@ -19,7 +20,8 @@ class CreatorChannelLiveFacade(
         sort: ContentSort,
         page: Int,
         size: Int,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelLiveTabResponse {
         return CreatorChannelLiveTabResponse.from(
             creatorChannelLiveQueryService.getLiveTab(
@@ -28,7 +30,8 @@ class CreatorChannelLiveFacade(
                 sort = sort,
                 page = page,
                 size = size,
-                now = now
+                now = now,
+                lang = lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/series/adapter/in/web/CreatorChannelSeriesController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.series.adapter.`in`.web
 
 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.v2.api.creator.channel.series.application.CreatorChannelSeriesFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -14,7 +15,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/creator-channels")
 class CreatorChannelSeriesController(
-    private val creatorChannelSeriesFacade: CreatorChannelSeriesFacade
+    private val creatorChannelSeriesFacade: CreatorChannelSeriesFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/{creatorId}/series")
     fun getSeriesTab(
@@ -30,7 +32,8 @@ class CreatorChannelSeriesController(
                 viewer = requireMember(member),
                 sort = sort,
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/series/application/CreatorChannelSeriesFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.series.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.creator.channel.series.dto.CreatorChannelSeriesTabResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.series.application.CreatorChannelSeriesQueryService
@@ -18,7 +19,8 @@ class CreatorChannelSeriesFacade(
         sort: String?,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelSeriesTabResponse {
         return CreatorChannelSeriesTabResponse.from(
             creatorChannelSeriesQueryService.getSeriesTab(
@@ -27,7 +29,8 @@ class CreatorChannelSeriesFacade(
                 sort = sort,
                 page = page,
                 size = size,
-                now = now
+                now = now,
+                lang = lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/gift/adapter/in/web/GiftController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.gift.adapter.`in`.web
 
 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.v2.api.gift.dto.GiftApplicationRequest
 import kr.co.vividnext.sodalive.v2.api.gift.dto.GiftApplicationResponse
@@ -32,7 +33,8 @@ import org.springframework.web.bind.annotation.RestController
 @RequestMapping("/api/v2/gifts")
 class GiftController(
     private val queryService: GiftQueryService,
-    private val commandService: GiftCommandService
+    private val commandService: GiftCommandService,
+    private val langContext: LangContext
 ) {
     @GetMapping("/form-options")
     fun getFormOptions() = ApiResponse.ok(GiftFormOptionsResponse.from(queryService.getFormOptions()))
@@ -49,7 +51,8 @@ class GiftController(
                 memberId = member?.id ?: throw SodaException(messageKey = "common.error.bad_credentials"),
                 type = type,
                 page = page,
-                size = size
+                size = size,
+                lang = langContext.lang
             )
         )
     )
@@ -62,7 +65,8 @@ class GiftController(
         GiftDetailResponse.from(
             queryService.getGiftDetail(
                 memberId = member?.id ?: throw SodaException(messageKey = "common.error.bad_credentials"),
-                applicationNo = applicationNo
+                applicationNo = applicationNo,
+                lang = langContext.lang
             )
         )
     )

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/adapter/in/web/CreatorRankingController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.home.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.home.application.HomeCreatorRankingFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -11,12 +12,13 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/home/rankings")
 class CreatorRankingController(
-    private val homeCreatorRankingFacade: HomeCreatorRankingFacade
+    private val homeCreatorRankingFacade: HomeCreatorRankingFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping("/creators")
     fun getCreatorRankings(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(homeCreatorRankingFacade.getCreatorRankings(member))
+        ApiResponse.ok(homeCreatorRankingFacade.getCreatorRankings(member, langContext.lang))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/adapter/in/web/HomeRecommendationController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.home.adapter.`in`.web
 
 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.v2.api.home.application.HomeRecommendationFacade
 import kr.co.vividnext.sodalive.v2.api.home.dto.recommendation.FollowRecommendedCreatorsRequest
@@ -18,13 +19,14 @@ import org.springframework.web.bind.annotation.RestController
 @RequestMapping("/api/v2/home/recommendations")
 class HomeRecommendationController(
     private val homeRecommendationFacade: HomeRecommendationFacade,
-    private val recommendedCreatorFollowService: RecommendedCreatorFollowService
+    private val recommendedCreatorFollowService: RecommendedCreatorFollowService,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getHomeRecommendations(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(homeRecommendationFacade.getHomeRecommendations(member))
+        ApiResponse.ok(homeRecommendationFacade.getHomeRecommendations(member, langContext.lang))
     }
 
     @GetMapping("/lives")
@@ -37,7 +39,8 @@ class HomeRecommendationController(
             homeRecommendationFacade.getLives(
                 requireMember(member),
                 normalizePage(page),
-                normalizeSize(size)
+                normalizeSize(size),
+                langContext.lang
             )
         )
     }
@@ -52,7 +55,8 @@ class HomeRecommendationController(
             homeRecommendationFacade.getRecentDebutCreators(
                 requireMember(member),
                 normalizePage(page),
-                normalizeSize(size)
+                normalizeSize(size),
+                langContext.lang
             )
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/application/HomeCreatorRankingFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.home.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.home.dto.ranking.CreatorRankingResponse
 import kr.co.vividnext.sodalive.v2.ranking.application.CreatorRankingQueryService
@@ -9,9 +10,8 @@ import org.springframework.stereotype.Component
 class HomeCreatorRankingFacade(
     private val creatorRankingQueryService: CreatorRankingQueryService
 ) {
-    fun getCreatorRankings(member: Member?): CreatorRankingResponse {
+    fun getCreatorRankings(member: Member?, lang: Lang): CreatorRankingResponse {
-        return CreatorRankingResponse.from(
+        val result = creatorRankingQueryService.getCreatorRankings(viewerMemberId = member?.id, lang = lang)
-            creatorRankingQueryService.getCreatorRankings(viewerMemberId = member?.id)
+        return CreatorRankingResponse.from(result)
-        )
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/application/HomeRecommendationFacade.kt

@@ -44,21 +44,23 @@ class HomeRecommendationFacade(
 ) {
     private val log = LoggerFactory.getLogger(javaClass)
 
-    fun getHomeRecommendations(member: Member?): HomeRecommendationResponse {
+    fun getHomeRecommendations(member: Member?, lang: Lang): HomeRecommendationResponse {
         val startedAt = System.currentTimeMillis()
         return runCatching {
             val now = LocalDateTime.now()
             val includeAdult = resolveAdultVisibility(member)
             val bannerLang = if (memberContentPreferenceService.resolveCountryCode(member) == "JP") Lang.JA else Lang.KO
 
-            HomeRecommendationResponse(
+            val lives = queryService.findLiveRecommendations(
-                lives = queryService.findLiveRecommendations(
                 limit = HOME_LIVE_LIMIT,
                 memberId = member?.id,
                 includeAdultLives = includeAdult,
                 isViewerCreator = member?.role == MemberRole.CREATOR,
-                    effectiveViewerGender = member?.effectiveGender()
+                effectiveViewerGender = member?.effectiveGender(),
-                ).map { it.toItem() },
+                lang = lang
+            )
+            val response = HomeRecommendationResponse(
+                lives = lives.map { it.toItem() },
                 banners = queryService.findHomeBanners(
                     limit = HOME_BANNER_LIMIT,
                     memberId = member?.id,
@@ -69,21 +71,24 @@ class HomeRecommendationFacade(
                 recentlyActiveCreators = queryService.findRecentlyActiveCreators(
                     HOME_ACTIVE_CREATOR_LIMIT,
                     member?.id,
-                    includeAdult
+                    includeAdult,
+                    lang
                 )
                     .map { it.toItem() },
                 recentDebutCreators = queryService.findRecentDebutCreators(
                     now,
                     limit = HOME_RECENT_DEBUT_CREATOR_LIMIT,
                     memberId = member?.id,
-                    includeAdultContents = includeAdult
+                    includeAdultContents = includeAdult,
+                    lang = lang
                 )
                     .map { it.toItem() },
                 firstAudioContents = queryService.findFirstAudioContents(
                     now,
                     limit = HOME_FIRST_AUDIO_CONTENT_LIMIT,
                     memberId = member?.id,
-                    includeAdultContents = includeAdult
+                    includeAdultContents = includeAdult,
+                    lang = lang
                 )
                     .map { it.toItem() },
                 aiCharacters = queryService.findAiCharacterRecommendations(
@@ -94,16 +99,19 @@ class HomeRecommendationFacade(
                     memberId = member?.id,
                     includeAdultGenres = includeAdult,
                     genreLimit = HOME_GENRE_CREATOR_GENRE_LIMIT,
-                    creatorLimit = HOME_GENRE_CREATOR_CREATOR_LIMIT
+                    creatorLimit = HOME_GENRE_CREATOR_CREATOR_LIMIT,
+                    lang = lang
                 ).map { it.toItem() },
-                cheerCreators = queryService.findCheerCreatorRecommendations(HOME_CHEER_CREATOR_LIMIT, member?.id)
+                cheerCreators = queryService.findCheerCreatorRecommendations(HOME_CHEER_CREATOR_LIMIT, member?.id, lang)
                     .map { it.toCreatorItem() },
                 popularCommunityPosts = queryService.findPopularCommunityRecommendations(
                     limit = HOME_POPULAR_COMMUNITY_LIMIT,
                     memberId = member?.id,
-                    includeAdultCommunities = includeAdult
+                    includeAdultCommunities = includeAdult,
+                    lang = lang
                 ).map { it.toItem() }
             )
+            response
         }.onSuccess { response ->
             log.info(
                 "event=home_recommendations_query_success memberId={} elapsedMs={} emptySections={}",
@@ -122,7 +130,7 @@ class HomeRecommendationFacade(
         }.getOrThrow()
     }
 
-    fun getLives(member: Member, page: Int, size: Int): HomeRecommendationPageResponse<HomeLiveItem> {
+    fun getLives(member: Member, page: Int, size: Int, lang: Lang): HomeRecommendationPageResponse<HomeLiveItem> {
         val startedAt = System.currentTimeMillis()
         return runCatching {
             val fetched = queryService.findLiveRecommendations(
@@ -131,7 +139,8 @@ class HomeRecommendationFacade(
                 memberId = member.id,
                 includeAdultLives = resolveAdultVisibility(member),
                 isViewerCreator = member.role == MemberRole.CREATOR,
-                effectiveViewerGender = member.effectiveGender()
+                effectiveViewerGender = member.effectiveGender(),
+                lang = lang
             )
             fetched.toPage(page, size) { it.toItem() }
         }.onSuccess {
@@ -141,7 +150,12 @@ class HomeRecommendationFacade(
         }.getOrThrow()
     }
 
-    fun getRecentDebutCreators(member: Member, page: Int, size: Int): HomeRecommendationPageResponse<HomeCreatorItem> {
+    fun getRecentDebutCreators(
+        member: Member,
+        page: Int,
+        size: Int,
+        lang: Lang
+    ): HomeRecommendationPageResponse<HomeCreatorItem> {
         val startedAt = System.currentTimeMillis()
         return runCatching {
             val fetched = queryService.findRecentDebutCreators(
@@ -149,7 +163,8 @@ class HomeRecommendationFacade(
                 offset = page.toOffset(size),
                 limit = size + 1,
                 memberId = member.id,
-                includeAdultContents = resolveAdultVisibility(member)
+                includeAdultContents = resolveAdultVisibility(member),
+                lang = lang
             )
             fetched.toPage(page, size) { it.toItem() }
         }.onSuccess {

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/following/adapter/in/web/HomeFollowingController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.home.following.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.home.following.application.HomeFollowingFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -11,12 +12,13 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/home/following")
 class HomeFollowingController(
-    private val facade: HomeFollowingFacade
+    private val facade: HomeFollowingFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getFollowingTab(
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(facade.getFollowingTab(member))
+        ApiResponse.ok(facade.getFollowingTab(member, langContext.lang))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/following/application/HomeFollowingFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.home.following.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.home.following.dto.HomeFollowingTabResponse
 import kr.co.vividnext.sodalive.v2.chat.service.ChatRoomListService
@@ -11,14 +12,15 @@ class HomeFollowingFacade(
     private val homeFollowingQueryService: HomeFollowingQueryService,
     private val chatRoomListService: ChatRoomListService
 ) {
-    fun getFollowingTab(member: Member?): HomeFollowingTabResponse {
+    fun getFollowingTab(member: Member?, lang: Lang): HomeFollowingTabResponse {
         if (member == null) {
             return HomeFollowingTabResponse.loginRequired()
         }
 
-        val home = homeFollowingQueryService.findHomeFollowing(member)
+        val home = homeFollowingQueryService.findHomeFollowing(member, lang)
         val recentChats = chatRoomListService.getRooms(
             member,
+            lang = lang,
             filter = "ALL",
             cursor = null,
             limit = 10,

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/live/adapter/in/web/HomeOnAirLiveController.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.home.live.adapter.`in`.web
 
 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.v2.api.home.live.application.HomeOnAirLiveFacade
 import org.springframework.security.core.annotation.AuthenticationPrincipal
@@ -13,14 +14,15 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/home/on-air-lives")
 class HomeOnAirLiveController(
-    private val homeOnAirLiveFacade: HomeOnAirLiveFacade
+    private val homeOnAirLiveFacade: HomeOnAirLiveFacade,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getOnAirLives(
         @RequestParam(defaultValue = "0") page: Int,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
-        ApiResponse.ok(homeOnAirLiveFacade.getOnAirLives(requireMember(member), page))
+        ApiResponse.ok(homeOnAirLiveFacade.getOnAirLives(requireMember(member), page, langContext.lang))
     }
 
     private fun requireMember(member: Member?): Member {

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/home/live/application/HomeOnAirLiveFacade.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.home.live.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
@@ -20,7 +21,7 @@ class HomeOnAirLiveFacade(
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) {
-    fun getOnAirLives(member: Member, page: Int): HomeOnAirLivePageResponse {
+    fun getOnAirLives(member: Member, page: Int, lang: Lang): HomeOnAirLivePageResponse {
         val normalizedPage = page.coerceIn(0, MAX_PAGE)
         val fetched = queryService.findLiveRecommendations(
             offset = normalizedPage.toLong() * PAGE_SIZE,
@@ -28,9 +29,11 @@ class HomeOnAirLiveFacade(
             memberId = member.id,
             includeAdultLives = memberContentPreferenceService.canViewAdultContent(member),
             isViewerCreator = member.role == MemberRole.CREATOR,
-            effectiveViewerGender = member.effectiveGender()
+            effectiveViewerGender = member.effectiveGender(),
+            lang = lang
         )
-        val items = fetched.take(PAGE_SIZE).map { it.toResponse() }
+        val pageItems = fetched.take(PAGE_SIZE)
+        val items = pageItems.map { it.toResponse() }
 
         return HomeOnAirLivePageResponse(
             items = items,

src/main/kotlin/kr/co/vividnext/sodalive/v2/chat/controller/ChatRoomListController.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.chat.controller
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.chat.dto.ChatRoomListPageResponse
 import kr.co.vividnext.sodalive.v2.chat.service.ChatRoomListService
@@ -13,7 +14,8 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 @RequestMapping("/api/v2/chat/rooms")
 class ChatRoomListController(
-    private val service: ChatRoomListService
+    private val service: ChatRoomListService,
+    private val langContext: LangContext
 ) {
     @GetMapping
     fun getRooms(
@@ -23,6 +25,6 @@ class ChatRoomListController(
         @RequestParam(defaultValue = "30") limit: Int
     ) = run {
         if (member == null) return@run ApiResponse.ok(ChatRoomListPageResponse(emptyList(), false, null))
-        ApiResponse.ok(service.getRooms(member, filter, cursor, limit))
+        ApiResponse.ok(service.getRooms(member, langContext.lang, filter, cursor, limit))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/chat/service/ChatRoomListService.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.v2.chat.service
 import kr.co.vividnext.sodalive.chat.room.ChatMessageType
 import kr.co.vividnext.sodalive.chat.room.repository.ChatRoomRepository
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.api.home.dto.recommendation.toUtcIso
 import kr.co.vividnext.sodalive.v2.chat.dto.ChatRoomListItemResponse
@@ -26,6 +27,7 @@ class ChatRoomListService(
 ) {
     fun getRooms(
         member: Member,
+        lang: Lang,
         filter: String = ChatRoomListFilter.ALL.name,
         cursor: String? = null,
         limit: Int = DEFAULT_LIMIT,
@@ -50,6 +52,7 @@ class ChatRoomListService(
                     parsedCursor?.chatType,
                     parsedCursor?.roomId,
                     followedCreatorsOnly,
+                    lang,
                     pageable
                 )
             }
@@ -70,6 +73,7 @@ class ChatRoomListService(
                     parsedCursor?.chatType,
                     parsedCursor?.roomId,
                     followedCreatorsOnly,
+                    lang,
                     pageable
                 )
             }

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/all/adapter/out/persistence/DefaultMainContentAllQueryRepository.kt

@@ -16,6 +16,7 @@ import kr.co.vividnext.sodalive.content.translation.QContentTranslation
 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.SeriesPublishedDaysOfWeek
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
@@ -23,6 +24,7 @@ import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import kr.co.vividnext.sodalive.v2.common.domain.toCdnUrl
 import kr.co.vividnext.sodalive.v2.content.all.domain.MainContentAllAudio
 import kr.co.vividnext.sodalive.v2.content.all.domain.MainContentAllSeries
+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
@@ -64,7 +66,10 @@ class DefaultMainContentAllQueryRepository(
         onlyFree: Boolean,
         onlyPointAvailable: Boolean
     ): List<MainContentAllAudio> {
-        val rows = findAudioRows(memberId, canViewAdultContent, now, sort, offset, limit, onlyPaid, onlyFree, onlyPointAvailable)
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "mainContentAllAudioCreatorName")
+        val rows = findAudioRows(
+            memberId, canViewAdultContent, now, sort, offset, limit, onlyPaid, onlyFree, onlyPointAvailable, creatorName
+        )
         if (rows.isEmpty()) return emptyList()
 
         val contentIds = rows.map { it.get(audioContent.id)!! }
@@ -85,7 +90,8 @@ class DefaultMainContentAllQueryRepository(
                 isPointAvailable = row.get(audioContent.isPointAvailable)!!,
                 isFirstContent = firstContentIdByCreatorId[creatorId] == contentId,
                 isOriginalSeries = originalSeriesByContentId[contentId] ?: false,
-                creatorNickname = row.get(member.nickname)!!
+                creatorNickname = row.get(creatorName.displayName)!!,
+                creatorMemberId = creatorId
             )
         }
     }
@@ -122,18 +128,21 @@ class DefaultMainContentAllQueryRepository(
         if (seriesIds.isEmpty()) return emptyList()
 
         val seriesTranslation = QSeriesTranslation("mainContentAllSeriesTranslation")
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "mainContentAllSeriesCreatorName")
         return queryFactory
             .select(
                 series.id,
                 series.title,
                 seriesTranslation.renderedPayload,
                 series.coverImage,
-                member.nickname,
+                member.id,
+                creatorName.displayName,
                 series.isOriginal,
                 series.isAdult
             )
             .from(series)
             .join(series.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(seriesTranslation)
             .on(
                 seriesTranslation.seriesId.eq(series.id),
@@ -148,9 +157,10 @@ class DefaultMainContentAllQueryRepository(
                     seriesId = row.get(series.id)!!,
                     title = translatedTitle.takeUnless(String?::isNullOrBlank) ?: row.get(series.title)!!,
                     coverImageUrl = row.get(series.coverImage).toCdnUrl(cloudFrontHost),
-                    creatorNickname = row.get(member.nickname)!!,
+                    creatorNickname = row.get(creatorName.displayName)!!,
                     isOriginal = row.get(series.isOriginal)!!,
-                    isAdult = row.get(series.isAdult)!!
+                    isAdult = row.get(series.isAdult)!!,
+                    creatorMemberId = row.get(member.id)!!
                 )
             }
     }
@@ -164,7 +174,8 @@ class DefaultMainContentAllQueryRepository(
         limit: Int,
         onlyPaid: Boolean,
         onlyFree: Boolean,
-        onlyPointAvailable: Boolean
+        onlyPointAvailable: Boolean,
+        creatorName: CreatorNameJoin
     ): List<Tuple> {
         val query = queryFactory
             .select(
@@ -175,11 +186,12 @@ class DefaultMainContentAllQueryRepository(
                 audioContent.isAdult,
                 audioContent.isPointAvailable,
                 audioContent.member.id,
-                member.nickname,
+                creatorName.displayName,
                 audioContent.releaseDate
             )
             .from(audioContent)
             .join(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .join(audioContent.theme, audioContentTheme)
             .where(audioCondition(memberId, canViewAdultContent, now, onlyPaid, onlyFree, onlyPointAvailable))
 
@@ -192,7 +204,7 @@ class DefaultMainContentAllQueryRepository(
                         revenueOrder.audioContent.id.eq(audioContent.id),
                         revenueOrder.isActive.isTrue
                     )
-                    .groupByAudioRow()
+                    .groupByAudioRow(creatorName)
                     .orderBy(
                         revenueOrder.can.sum().coalesce(0).desc(),
                         audioContent.releaseDate.desc(),
@@ -301,7 +313,7 @@ class DefaultMainContentAllQueryRepository(
         return query.offset(offset).limit(limit.toLong()).fetch()
     }
 
-    private fun JPAQuery<Tuple>.groupByAudioRow(): JPAQuery<Tuple> {
+    private fun JPAQuery<Tuple>.groupByAudioRow(creatorName: CreatorNameJoin): JPAQuery<Tuple> {
         return groupBy(
             audioContent.id,
             audioContent.title,
@@ -311,6 +323,7 @@ class DefaultMainContentAllQueryRepository(
             audioContent.isPointAvailable,
             audioContent.member.id,
             member.nickname,
+            creatorName.name.displayName,
             audioContent.releaseDate
         )
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/all/application/MainContentAllQueryService.kt

@@ -1,7 +1,7 @@
 package kr.co.vividnext.sodalive.v2.content.all.application
 
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesPublishedDaysOfWeek
-import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
@@ -19,8 +19,7 @@ import java.time.LocalDateTime
 class MainContentAllQueryService(
     private val queryPort: MainContentAllQueryPort,
     private val memberContentPreferenceService: MemberContentPreferenceService,
-    private val queryPolicy: MainContentAllQueryPolicy = MainContentAllQueryPolicy(),
+    private val queryPolicy: MainContentAllQueryPolicy = MainContentAllQueryPolicy()
-    private val langContext: LangContext
 ) {
     fun getContents(
         type: String?,
@@ -28,7 +27,8 @@ class MainContentAllQueryService(
         dayOfWeek: String?,
         page: Int?,
         size: Int?,
-        member: Member?
+        member: Member?,
+        lang: Lang
     ): MainContentAll {
         val resolvedType = queryPolicy.resolveType(type)
         val resolvedSort = queryPolicy.resolveSort(sort)
@@ -47,6 +47,7 @@ class MainContentAllQueryService(
                 memberId = memberId,
                 canViewAdultContent = canViewAdultContent,
                 now = now,
+                lang = lang,
                 onlyPaid = true
             )
 
@@ -58,6 +59,7 @@ class MainContentAllQueryService(
                 memberId = memberId,
                 canViewAdultContent = canViewAdultContent,
                 now = now,
+                lang = lang,
                 onlyFree = true
             )
 
@@ -69,6 +71,7 @@ class MainContentAllQueryService(
                 memberId = memberId,
                 canViewAdultContent = canViewAdultContent,
                 now = now,
+                lang = lang,
                 onlyPointAvailable = true
             )
 
@@ -79,7 +82,8 @@ class MainContentAllQueryService(
                 page = resolvedPage,
                 memberId = memberId,
                 canViewAdultContent = canViewAdultContent,
-                now = now
+                now = now,
+                lang = lang
             )
 
             MainContentAllType.ORIGINAL -> getSeriesContents(
@@ -90,6 +94,7 @@ class MainContentAllQueryService(
                 memberId = memberId,
                 canViewAdultContent = canViewAdultContent,
                 now = now,
+                lang = lang,
                 onlyOriginal = true
             )
         }
@@ -103,6 +108,7 @@ class MainContentAllQueryService(
         memberId: Long?,
         canViewAdultContent: Boolean,
         now: LocalDateTime,
+        lang: Lang,
         onlyPaid: Boolean = false,
         onlyFree: Boolean = false,
         onlyPointAvailable: Boolean = false
@@ -122,7 +128,7 @@ class MainContentAllQueryService(
             sort = sort,
             offset = page.offset,
             limit = page.size + 1,
-            locale = langContext.lang.code,
+            locale = lang.code,
             onlyPaid = onlyPaid,
             onlyFree = onlyFree,
             onlyPointAvailable = onlyPointAvailable
@@ -148,6 +154,7 @@ class MainContentAllQueryService(
         memberId: Long?,
         canViewAdultContent: Boolean,
         now: LocalDateTime,
+        lang: Lang,
         onlyOriginal: Boolean = false
     ): MainContentAll {
         val totalCount = queryPort.countSeries(memberId, canViewAdultContent, now, onlyOriginal, dayOfWeek)
@@ -160,7 +167,7 @@ class MainContentAllQueryService(
             limit = page.size + 1,
             onlyOriginal = onlyOriginal,
             dayOfWeek = dayOfWeek,
-            locale = langContext.lang.code
+            locale = lang.code
         )
 
         return MainContentAll(

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/all/domain/MainContentAll.kt

@@ -23,7 +23,8 @@ data class MainContentAllAudio(
     val isPointAvailable: Boolean,
     val isFirstContent: Boolean,
     val isOriginalSeries: Boolean,
-    val creatorNickname: String
+    val creatorNickname: String,
+    val creatorMemberId: Long
 )
 
 data class MainContentAllSeries(
@@ -32,5 +33,6 @@ data class MainContentAllSeries(
     val coverImageUrl: String?,
     val creatorNickname: String,
     val isOriginal: Boolean,
-    val isAdult: Boolean
+    val isAdult: Boolean,
+    val creatorMemberId: Long
 )

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/ranking/adapter/out/persistence/DefaultAudioRankingSnapshotPersistenceAdapter.kt

@@ -1,9 +1,15 @@
 package kr.co.vividnext.sodalive.v2.content.ranking.adapter.out.persistence
 
+import com.querydsl.jpa.JPAExpressions
+import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.content.translation.ContentTranslationRepository
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.QMember.member
+import kr.co.vividnext.sodalive.v2.content.ranking.adapter.out.persistence.QAudioRankingSnapshot.audioRankingSnapshot
 import kr.co.vividnext.sodalive.v2.content.ranking.domain.AudioRankingType
 import kr.co.vividnext.sodalive.v2.content.ranking.port.out.AudioRankingSnapshotPort
 import kr.co.vividnext.sodalive.v2.content.ranking.port.out.AudioRankingSnapshotRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import org.springframework.transaction.annotation.Transactional
 import java.time.LocalDateTime
@@ -11,14 +17,34 @@ import java.time.LocalDateTime
 @Repository
 class DefaultAudioRankingSnapshotPersistenceAdapter(
     private val repository: AudioRankingSnapshotRepository,
-    private val contentTranslationRepository: ContentTranslationRepository
+    private val contentTranslationRepository: ContentTranslationRepository,
+    private val queryFactory: JPAQueryFactory
 ) : AudioRankingSnapshotPort {
     override fun findLatestVisibleSnapshots(
         rankingType: AudioRankingType,
         nowUtc: LocalDateTime,
         locale: String
     ): List<AudioRankingSnapshotRecord> {
-        return repository.findLatestVisibleSnapshots(rankingType.name, nowUtc).toRecords(locale)
+        val snapshot = audioRankingSnapshot
+        val latest = QAudioRankingSnapshot("latestVisibleAudioRanking")
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "audioRankingCreatorName")
+        val displayName = creatorName.displayName.coalesce(snapshot.creatorNickname)
+        return queryFactory
+            .select(snapshot, displayName)
+            .from(snapshot)
+            .leftJoin(member).on(member.id.eq(snapshot.creatorMemberId))
+            .leftJoin(creatorName.name).on(creatorName.condition)
+            .where(
+                snapshot.rankingType.eq(rankingType),
+                snapshot.visibleFromAtUtc.eq(
+                    JPAExpressions.select(latest.visibleFromAtUtc.max()).from(latest)
+                        .where(latest.rankingType.eq(rankingType), latest.visibleFromAtUtc.loe(nowUtc))
+                )
+            )
+            .orderBy(snapshot.rank.asc())
+            .fetch()
+            .map { it.get(snapshot)!!.toRecord(displayCreatorNickname = it.get(displayName)!!) }
+            .translateTitles(locale)
     }
 
     override fun findPreviousVisibleSnapshots(
@@ -31,7 +57,7 @@ class DefaultAudioRankingSnapshotPersistenceAdapter(
             rankingType = rankingType.name,
             currentAggregationStartAtUtc = currentAggregationStartAtUtc,
             nowUtc = nowUtc
-        ).toRecords(locale)
+        ).map { it.toRecord() }.translateTitles(locale)
     }
 
     @Transactional
@@ -50,7 +76,7 @@ class DefaultAudioRankingSnapshotPersistenceAdapter(
         repository.saveAll(newSnapshots.map { it.toEntity(visibleFromAtUtc) })
     }
 
-    private fun List<AudioRankingSnapshot>.toRecords(locale: String): List<AudioRankingSnapshotRecord> {
+    private fun List<AudioRankingSnapshotRecord>.translateTitles(locale: String): List<AudioRankingSnapshotRecord> {
         if (isEmpty()) return emptyList()
         val translatedTitleByContentId = contentTranslationRepository.findByContentIdInAndLocale(
             map { it.contentId },
@@ -58,19 +84,19 @@ class DefaultAudioRankingSnapshotPersistenceAdapter(
         ).mapNotNull { translation ->
             translation.renderedPayload.title.takeIf { it.isNotBlank() }?.let { translation.contentId to it }
         }.toMap()
-        return map { snapshot -> snapshot.toRecord(translatedTitleByContentId[snapshot.contentId] ?: snapshot.title) }
+        return map { snapshot -> snapshot.copy(title = translatedTitleByContentId[snapshot.contentId] ?: snapshot.title) }
     }
 
-    private fun AudioRankingSnapshot.toRecord(displayTitle: String = title): AudioRankingSnapshotRecord {
+    private fun AudioRankingSnapshot.toRecord(displayCreatorNickname: String = creatorNickname): AudioRankingSnapshotRecord {
         return AudioRankingSnapshotRecord(
             rankingType = rankingType,
             aggregationStartAtUtc = aggregationStartAtUtc,
             aggregationEndAtUtc = aggregationEndAtUtc,
             visibleFromAtUtc = visibleFromAtUtc,
             contentId = contentId,
-            title = displayTitle,
+            title = title,
             creatorMemberId = creatorMemberId,
-            creatorNickname = creatorNickname,
+            creatorNickname = displayCreatorNickname,
             coverImageUrl = coverImageUrl,
             releaseDate = releaseDate,
             isAdult = isAdult,

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/ranking/application/AudioRankingQueryService.kt

@@ -1,6 +1,6 @@
 package kr.co.vividnext.sodalive.v2.content.ranking.application
 
-import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.v2.common.domain.toCdnUrl
@@ -19,7 +19,6 @@ import java.time.ZonedDateTime
 @Service
 class AudioRankingQueryService(
     private val snapshotPort: AudioRankingSnapshotPort,
-    private val langContext: LangContext,
     private val memberContentPreferenceService: MemberContentPreferenceService,
     private val blockPort: AudioRankingBlockPort,
     private val jobService: AudioRankingSnapshotJobService,
@@ -29,9 +28,9 @@ class AudioRankingQueryService(
 ) {
     private val log = LoggerFactory.getLogger(javaClass)
 
-    fun getRankings(type: AudioRankingType, member: Member?): AudioRanking {
+    fun getRankings(type: AudioRankingType, member: Member?, lang: Lang): AudioRanking {
         val nowUtc = nowProvider().withZoneSameInstant(ZoneOffset.UTC).toLocalDateTime()
-        val locale = langContext.lang.code
+        val locale = lang.code
         val latestSnapshots = findLatestVisibleSnapshots(type, nowUtc, locale)
         if (latestSnapshots.isEmpty()) {
             return AudioRanking(showRankChange = false, type = type, items = emptyList())
@@ -114,7 +113,8 @@ class AudioRankingQueryService(
             rank = rank,
             rankChange = if (showRankChange && previousRank != null) previousRank - rank else null,
             isNew = showRankChange && previousRank == null,
-            coverImageUrl = coverImageUrl.toCdnUrl(cloudFrontHost)
+            coverImageUrl = coverImageUrl.toCdnUrl(cloudFrontHost),
+            creatorMemberId = creatorMemberId
         )
     }
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/ranking/domain/AudioRanking.kt

@@ -13,5 +13,6 @@ data class AudioRankingItem(
     val rank: Int,
     val rankChange: Int?,
     val isNew: Boolean,
-    val coverImageUrl: String?
+    val coverImageUrl: String?,
+    val creatorMemberId: Long
 )

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/adapter/out/persistence/DefaultAudioRecommendationQueryRepository.kt

@@ -26,6 +26,7 @@ import kr.co.vividnext.sodalive.v2.content.recommendation.domain.AudioCard
 import kr.co.vividnext.sodalive.v2.content.recommendation.domain.AudioRecommendationVisibility
 import kr.co.vividnext.sodalive.v2.content.recommendation.domain.CommentedAudio
 import kr.co.vividnext.sodalive.v2.content.recommendation.domain.OriginalSeries
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import kr.co.vividnext.sodalive.v2.recommendation.domain.RecommendedSectionType
 import kr.co.vividnext.sodalive.v2.recommendation.port.out.RecommendationSnapshotRecord
 import org.springframework.beans.factory.annotation.Value
@@ -120,7 +121,7 @@ class DefaultAudioRecommendationQueryRepository(
         now: LocalDateTime,
         locale: String
     ): List<AudioCard> {
-        val rows = audioRows(memberId, canViewAdultContent, now) {
+        val rows = audioRows(memberId, canViewAdultContent, now, locale) {
             orderBy(audioContent.releaseDate.desc(), audioContent.id.desc()).limit(limit.toLong())
         }
         return rows.toAudioCards(now, canViewAdultContent, locale)
@@ -134,7 +135,7 @@ class DefaultAudioRecommendationQueryRepository(
         locale: String
     ): List<AudioCard> {
         val randomTieBreaker = Expressions.numberTemplate(Double::class.java, "function('rand')")
-        val rows = audioRows(memberId, canViewAdultContent, now, audioContent.price.eq(0)) {
+        val rows = audioRows(memberId, canViewAdultContent, now, locale, audioContent.price.eq(0)) {
             orderBy(randomTieBreaker.asc()).limit(limit.toLong())
         }
         return rows.toAudioCards(now, canViewAdultContent, locale)
@@ -152,6 +153,7 @@ class DefaultAudioRecommendationQueryRepository(
             memberId,
             canViewAdultContent,
             now,
+            locale,
             audioContent.isPointAvailable.isTrue.and(audioContent.price.gt(0))
         ) {
             orderBy(randomTieBreaker.asc()).limit(limit.toLong())
@@ -168,7 +170,7 @@ class DefaultAudioRecommendationQueryRepository(
     ): List<AudioCard> {
         if (contentIds.isEmpty()) return emptyList()
         val orderById = contentIds.withIndex().associate { it.value to it.index }
-        val rows = audioRows(memberId, canViewAdultContent, now, audioContent.id.`in`(contentIds)) { this }
+        val rows = audioRows(memberId, canViewAdultContent, now, locale, audioContent.id.`in`(contentIds)) { this }
         return rows.toAudioCards(now, canViewAdultContent, locale).sortedBy { orderById[it.audioContentId] ?: Int.MAX_VALUE }
     }
 
@@ -444,9 +446,11 @@ class DefaultAudioRecommendationQueryRepository(
         memberId: Long?,
         canViewAdultContent: Boolean,
         now: LocalDateTime,
+        locale: String,
         extraCondition: BooleanExpression? = null,
         customize: com.querydsl.jpa.impl.JPAQuery<Tuple>.() -> com.querydsl.jpa.impl.JPAQuery<Tuple>
     ): List<Tuple> {
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "audioRecommendationCreatorName")
         return queryFactory
             .select(
                 audioContent.id,
@@ -457,10 +461,11 @@ class DefaultAudioRecommendationQueryRepository(
                 audioContent.isAdult,
                 audioContent.isPointAvailable,
                 audioContent.member.id,
-                member.nickname
+                creatorName.displayName
             )
             .from(audioContent)
             .join(audioContent.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .join(audioContent.theme, audioContentTheme)
             .where(publicAudioCondition(memberId, canViewAdultContent, now), extraCondition)
             .customize()
@@ -478,6 +483,7 @@ class DefaultAudioRecommendationQueryRepository(
         val firstContentIdByCreatorId = firstAudioContentIds(creatorIds, now, canViewAdultContent)
         val isOriginalSeriesByContentId = originalSeriesFlags(contentIds)
         val translatedTitleByContentId = translatedTitles(contentIds, locale)
+        val creatorName = CreatorNameJoin(member, Lang.fromCode(locale), "audioRecommendationCreatorName")
         return map { row ->
             val contentId = row.get(audioContent.id)!!
             val creatorId = row.get(audioContent.member.id)!!
@@ -491,7 +497,8 @@ class DefaultAudioRecommendationQueryRepository(
                 isPointAvailable = row.get(audioContent.isPointAvailable)!!,
                 isFirstContent = firstContentIdByCreatorId[creatorId] == contentId,
                 isOriginalSeries = isOriginalSeriesByContentId[contentId] ?: false,
-                creatorNickname = row.get(member.nickname)!!
+                creatorNickname = row.get(creatorName.displayName)!!,
+                creatorMemberId = creatorId
             )
         }
     }

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/application/AudioRecommendationQueryService.kt

@@ -1,7 +1,6 @@
 package kr.co.vividnext.sodalive.v2.content.recommendation.application
 
 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.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.v2.content.recommendation.domain.AudioCard
@@ -18,16 +17,15 @@ import java.time.ZoneId
 class AudioRecommendationQueryService(
     private val queryPort: AudioRecommendationQueryPort,
     private val memberContentPreferenceService: MemberContentPreferenceService,
-    private val snapshotFallbackService: AudioRecommendationSnapshotFallbackService,
+    private val snapshotFallbackService: AudioRecommendationSnapshotFallbackService
-    private val langContext: LangContext
 ) {
-    fun getRecommendations(member: Member?): AudioRecommendations {
+    fun getRecommendations(member: Member?, lang: Lang): AudioRecommendations {
         val now = LocalDateTime.now()
         val fallbackNow = LocalDateTime.now(KST_ZONE)
         val canViewAdultContent = canViewAdultContent(member)
         val visibility = if (canViewAdultContent) AudioRecommendationVisibility.ALL else AudioRecommendationVisibility.SAFE
         val memberId = member?.id
-        val locale = langContext.lang.code
+        val locale = lang.code
         val bannerLang = if (memberContentPreferenceService.resolveCountryCode(member) == "JP") Lang.JA else Lang.KO
         val newAndHotSectionType = newAndHotSectionType(visibility)
         val mostCommentedSectionType = mostCommentedSectionType(visibility)
@@ -77,7 +75,7 @@ class AudioRecommendationQueryService(
         )
     }
 
-    fun findNewAndHotAudios(member: Member, offset: Long, limit: Int): List<AudioCard> {
+    fun findNewAndHotAudios(member: Member, offset: Long, limit: Int, lang: Lang): List<AudioCard> {
         val now = LocalDateTime.now()
         val fallbackNow = LocalDateTime.now(KST_ZONE)
         val canViewAdultContent = canViewAdultContent(member)
@@ -90,7 +88,7 @@ class AudioRecommendationQueryService(
             member.id,
             canViewAdultContent,
             now,
-            langContext.lang.code
+            lang.code
         )
     }
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/domain/AudioRecommendation.kt

@@ -28,7 +28,8 @@ data class AudioCard(
     val isPointAvailable: Boolean,
     val isFirstContent: Boolean,
     val isOriginalSeries: Boolean,
-    val creatorNickname: String
+    val creatorNickname: String,
+    val creatorMemberId: Long
 )
 
 data class CommentedAudio(

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/audio/adapter/out/persistence/DefaultCreatorChannelAudioQueryRepository.kt

@@ -15,12 +15,14 @@ import kr.co.vividnext.sodalive.content.theme.translation.QContentThemeTranslati
 import kr.co.vividnext.sodalive.content.translation.QContentTranslation
 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.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import kr.co.vividnext.sodalive.v2.creator.channel.audio.port.out.CreatorChannelAudioContentRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.audio.port.out.CreatorChannelAudioCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.audio.port.out.CreatorChannelAudioThemeRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
 
@@ -28,17 +30,19 @@ import java.time.LocalDateTime
 class DefaultCreatorChannelAudioQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelAudioQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelAudioCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelAudioCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelAudioCreatorName")
         return queryFactory
             .select(
                 Projections.constructor(
                     CreatorChannelAudioCreatorRecord::class.java,
                     member.id,
                     member.role,
-                    member.nickname
+                    creatorName.displayName
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/audio/application/CreatorChannelAudioQueryService.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.audio.application
 
 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
@@ -39,18 +40,19 @@ class CreatorChannelAudioQueryService(
         themeId: Long?,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelAudioTab {
         val resolvedSort = queryPolicy.resolveSort(sort)
         val audioPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/audio/port/out/CreatorChannelAudioQueryPort.kt

@@ -1,11 +1,12 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.audio.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import java.time.LocalDateTime
 
 interface CreatorChannelAudioQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelAudioCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelAudioCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/community/adapter/out/persistence/DefaultCreatorChannelCommunityQueryRepository.kt

@@ -4,28 +4,37 @@ import com.querydsl.core.Tuple
 import com.querydsl.core.types.OrderSpecifier
 import com.querydsl.core.types.dsl.BooleanExpression
 import com.querydsl.core.types.dsl.CaseBuilder
+import com.querydsl.core.types.dsl.Expressions
 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.explorer.profile.creatorCommunity.QCreatorCommunity.creatorCommunity
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.comment.QCreatorCommunityComment.creatorCommunityComment
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.like.QCreatorCommunityLike.creatorCommunityLike
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.v2.creator.channel.community.port.out.CreatorChannelCommunityCommentContextRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.community.port.out.CreatorChannelCommunityCommentRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.community.port.out.CreatorChannelCommunityCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.community.port.out.CreatorChannelCommunityPostRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 
 @Repository
 class DefaultCreatorChannelCommunityQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelCommunityQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCommunityCreatorRecord? {
+    private val postCreatorDisplayName = Expressions.stringPath("postCreatorDisplayName")
+    private val commentWriterDisplayName = Expressions.stringPath("commentWriterDisplayName")
+    private val localizedWriterName = Expressions.booleanPath("localizedWriterName")
+
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCommunityCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelCommunityCreatorName")
         val creator = queryFactory
-            .select(member.id, member.role, member.nickname)
+            .select(member.id, member.role, creatorName.displayName)
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue
@@ -35,7 +44,7 @@ class DefaultCreatorChannelCommunityQueryRepository(
         return CreatorChannelCommunityCreatorRecord(
             creatorId = creator.get(member.id)!!,
             role = creator.get(member.role)!!,
-            nickname = creator.get(member.nickname)!!
+            nickname = creator.get(creatorName.displayName)!!
         )
     }
 
@@ -71,11 +80,15 @@ class DefaultCreatorChannelCommunityQueryRepository(
         viewerId: Long,
         canViewAdultContent: Boolean,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityPostRecord> {
+        val creatorName = CreatorNameJoin(member, lang, "channelCommunityPostCreatorName")
         val rows = queryFactory
-            .selectCommunityPostRow()
+            .selectCommunityPostRow(creatorName)
             .from(creatorCommunity)
+            .join(creatorCommunity.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(communityPostCondition(creatorId, canViewAdultContent))
             .orderBy(
                 CaseBuilder()
@@ -104,11 +117,15 @@ class DefaultCreatorChannelCommunityQueryRepository(
         viewerId: Long,
         isPinned: Boolean,
         canViewAdultContent: Boolean,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityPostRecord> {
+        val creatorName = CreatorNameJoin(member, lang, "channelHomePostCreatorName")
         val rows = queryFactory
-            .selectCommunityPostRow()
+            .selectCommunityPostRow(creatorName)
             .from(creatorCommunity)
+            .join(creatorCommunity.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 homeCommunityPostCondition(creatorId, viewerId, canViewAdultContent),
                 creatorCommunity.isFixed.eq(isPinned),
@@ -124,11 +141,15 @@ class DefaultCreatorChannelCommunityQueryRepository(
     override fun findCommunityPost(
         postId: Long,
         viewerId: Long,
-        canViewAdultContent: Boolean
+        canViewAdultContent: Boolean,
+        lang: Lang
     ): CreatorChannelCommunityPostRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelPostDetailCreatorName")
         val rows = queryFactory
-            .selectCommunityPostRow()
+            .selectCommunityPostRow(creatorName)
             .from(creatorCommunity)
+            .join(creatorCommunity.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(communityPostByIdCondition(postId, canViewAdultContent))
             .fetch()
 
@@ -155,11 +176,15 @@ class DefaultCreatorChannelCommunityQueryRepository(
         viewerId: Long,
         creatorId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord> {
+        val writerName = CreatorNameJoin(member, lang, "channelCommentWriterName")
         return queryFactory
-            .selectCommunityCommentRow()
+            .selectCommunityCommentRow(writerName)
             .from(creatorCommunityComment)
+            .join(creatorCommunityComment.member, member)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(rootCommentCondition(postId, creatorId, viewerId))
             .orderBy(creatorCommunityComment.createdAt.desc(), creatorCommunityComment.id.desc())
             .offset(offset)
@@ -170,13 +195,17 @@ class DefaultCreatorChannelCommunityQueryRepository(
 
     override fun findLatestRepliesByCommentIds(
         commentIds: List<Long>,
-        viewerId: Long
+        viewerId: Long,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord> {
         if (commentIds.isEmpty()) return emptyList()
+        val writerName = CreatorNameJoin(member, lang, "channelLatestReplyWriterName")
 
         return queryFactory
-            .selectCommunityCommentRow()
+            .selectCommunityCommentRow(writerName)
             .from(creatorCommunityComment)
+            .join(creatorCommunityComment.member, member)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(replyCondition(commentIds, viewerId))
             .orderBy(creatorCommunityComment.createdAt.desc(), creatorCommunityComment.id.desc())
             .fetch()
@@ -224,11 +253,15 @@ class DefaultCreatorChannelCommunityQueryRepository(
         commentId: Long,
         viewerId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord> {
+        val writerName = CreatorNameJoin(member, lang, "channelReplyWriterName")
         return queryFactory
-            .selectCommunityCommentRow()
+            .selectCommunityCommentRow(writerName)
             .from(creatorCommunityComment)
+            .join(creatorCommunityComment.member, member)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(replyCondition(commentId, viewerId))
             .orderBy(creatorCommunityComment.createdAt.desc(), creatorCommunityComment.id.desc())
             .offset(offset)
@@ -237,10 +270,10 @@ class DefaultCreatorChannelCommunityQueryRepository(
             .map { it.toCommunityCommentRecord() }
     }
 
-    private fun JPAQueryFactory.selectCommunityPostRow() = select(
+    private fun JPAQueryFactory.selectCommunityPostRow(creatorName: CreatorNameJoin) = select(
         creatorCommunity.id,
         creatorCommunity.member.id,
-        creatorCommunity.member.nickname,
+        creatorName.displayName.`as`(postCreatorDisplayName),
         creatorCommunity.member.profileImage,
         creatorCommunity.imagePath,
         creatorCommunity.audioPath,
@@ -252,16 +285,17 @@ class DefaultCreatorChannelCommunityQueryRepository(
         creatorCommunity.isCommentAvailable
     )
 
-    private fun JPAQueryFactory.selectCommunityCommentRow() = select(
+    private fun JPAQueryFactory.selectCommunityCommentRow(writerName: CreatorNameJoin) = select(
         creatorCommunityComment.id,
         creatorCommunityComment.parent.id,
         creatorCommunityComment.creatorCommunity.id,
         creatorCommunityComment.member.id,
         creatorCommunityComment.member.profileImage,
-        creatorCommunityComment.member.nickname,
+        writerName.displayName.`as`(commentWriterDisplayName),
         creatorCommunityComment.comment,
         creatorCommunityComment.isSecret,
-        creatorCommunityComment.createdAt
+        creatorCommunityComment.createdAt,
+        writerName.name.id.isNotNull.`as`(localizedWriterName)
     )
 
     private fun communityPostCondition(creatorId: Long, canViewAdultContent: Boolean): BooleanExpression {
@@ -519,7 +553,7 @@ class DefaultCreatorChannelCommunityQueryRepository(
         get() = get(creatorCommunity.member.id)!!
 
     private val Tuple.creatorNickname: String
-        get() = get(creatorCommunity.member.nickname)!!
+        get() = get(postCreatorDisplayName)!!
 
     private val Tuple.creatorProfilePath: String?
         get() = get(creatorCommunity.member.profileImage)
@@ -555,10 +589,11 @@ class DefaultCreatorChannelCommunityQueryRepository(
             postId = get(creatorCommunityComment.creatorCommunity.id)!!,
             writerId = get(creatorCommunityComment.member.id)!!,
             writerProfilePath = get(creatorCommunityComment.member.profileImage),
-            writerNickname = get(creatorCommunityComment.member.nickname)!!,
+            writerNickname = get(commentWriterDisplayName)!!,
             content = get(creatorCommunityComment.comment)!!,
             isSecret = get(creatorCommunityComment.isSecret)!!,
-            createdAt = get(creatorCommunityComment.createdAt)!!
+            createdAt = get(creatorCommunityComment.createdAt)!!,
+            isLocalizedName = get(localizedWriterName)!!
         )
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/community/application/CreatorChannelCommunityQueryService.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel.community.application
 import kr.co.vividnext.sodalive.aws.cloudfront.AudioContentCloudFront
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.extensions.removeDeletedNicknamePrefix
+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
@@ -46,17 +47,18 @@ class CreatorChannelCommunityQueryService(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityTab {
         val communityPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }
@@ -69,7 +71,8 @@ class CreatorChannelCommunityQueryService(
             viewerId = viewerId,
             canViewAdultContent = canViewAdultContent,
             offset = communityPage.offset,
-            limit = communityPage.fetchLimit
+            limit = communityPage.fetchLimit,
+            lang = lang
         )
         val communityPosts = queryPolicy.limitItems(fetchedPosts, communityPage)
         val displayContents = creatorCommunityTranslationService
@@ -94,7 +97,8 @@ class CreatorChannelCommunityQueryService(
         viewerId: Long,
         isPinned: Boolean,
         canViewAdultContent: Boolean,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityPost> {
         val posts = queryPortProvider.getObject()
             .findHomeCommunityPosts(
@@ -102,7 +106,8 @@ class CreatorChannelCommunityQueryService(
                 viewerId = viewerId,
                 isPinned = isPinned,
                 canViewAdultContent = canViewAdultContent,
-                limit = limit
+                limit = limit,
+                lang = lang
             )
         val displayContents = creatorCommunityTranslationService
             .findDisplayContents(posts.map { it.postId }, langContext.lang.code)
@@ -115,12 +120,13 @@ class CreatorChannelCommunityQueryService(
     fun getCommunityPostDetail(
         postId: Long,
         viewer: Member,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityPostDetail {
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
         val canViewAdultContent = memberContentPreferenceService.canViewAdultContent(viewer)
-        val postRecord = queryPort.findCommunityPost(postId, viewerId, canViewAdultContent)
+        val postRecord = queryPort.findCommunityPost(postId, viewerId, canViewAdultContent, lang)
             ?: throw SodaException(messageKey = INVALID_COMMUNITY_REQUEST_MESSAGE_KEY)
 
         validateNotBlocked(queryPort, viewerId, postRecord.creatorId)
@@ -134,7 +140,7 @@ class CreatorChannelCommunityQueryService(
 
         return CreatorChannelCommunityPostDetail(
             post = postRecord.copy(content = displayContent?.content ?: postRecord.content).toDomain(viewerId),
-            comments = getCommunityComments(postId, viewer, page = 0, size = 20, now = now)
+            comments = getCommunityComments(postId, viewer, page = 0, size = 20, now = now, lang = lang)
         )
     }
 
@@ -143,13 +149,14 @@ class CreatorChannelCommunityQueryService(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityComments {
         val communityPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
         val canViewAdultContent = memberContentPreferenceService.canViewAdultContent(viewer)
-        val postRecord = queryPort.findCommunityPost(postId, viewerId, canViewAdultContent)
+        val postRecord = queryPort.findCommunityPost(postId, viewerId, canViewAdultContent, lang)
             ?: throw SodaException(messageKey = INVALID_COMMUNITY_REQUEST_MESSAGE_KEY)
 
         validateNotBlocked(queryPort, viewerId, postRecord.creatorId)
@@ -168,12 +175,14 @@ class CreatorChannelCommunityQueryService(
             viewerId = viewerId,
             creatorId = postRecord.creatorId,
             offset = communityPage.offset,
-            limit = communityPage.fetchLimit
+            limit = communityPage.fetchLimit,
+            lang = lang
         )
         val limitedComments = queryPolicy.limitItems(fetchedComments, communityPage)
         val latestReplies = queryPort.findLatestRepliesByCommentIds(
             commentIds = limitedComments.map { it.commentId },
-            viewerId = viewerId
+            viewerId = viewerId,
+            lang = lang
         ).associateBy { it.parentCommentId }
 
         return CreatorChannelCommunityComments(
@@ -193,7 +202,8 @@ class CreatorChannelCommunityQueryService(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelCommunityReplies {
         val communityPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
@@ -217,7 +227,8 @@ class CreatorChannelCommunityQueryService(
             commentId = commentId,
             viewerId = viewerId,
             offset = communityPage.offset,
-            limit = communityPage.fetchLimit
+            limit = communityPage.fetchLimit,
+            lang = lang
         )
 
         return CreatorChannelCommunityReplies(
@@ -274,7 +285,7 @@ class CreatorChannelCommunityQueryService(
             commentId = commentId,
             writerId = writerId,
             writerProfileImageUrl = writerProfilePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
-            writerNickname = writerNickname.removeDeletedNicknamePrefix(),
+            writerNickname = if (isLocalizedName) writerNickname else writerNickname.removeDeletedNicknamePrefix(),
             content = content,
             isSecret = isSecret,
             createdAt = createdAt,
@@ -287,7 +298,7 @@ class CreatorChannelCommunityQueryService(
             commentId = commentId,
             writerId = writerId,
             writerProfileImageUrl = writerProfilePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
-            writerNickname = writerNickname.removeDeletedNicknamePrefix(),
+            writerNickname = if (isLocalizedName) writerNickname else writerNickname.removeDeletedNicknamePrefix(),
             content = content,
             createdAt = createdAt
         )

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/community/port/out/CreatorChannelCommunityQueryPort.kt

@@ -1,10 +1,11 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.community.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import java.time.LocalDateTime
 
 interface CreatorChannelCommunityQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCommunityCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCommunityCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 
@@ -19,7 +20,8 @@ interface CreatorChannelCommunityQueryPort {
         viewerId: Long,
         canViewAdultContent: Boolean,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityPostRecord>
 
     fun findHomeCommunityPosts(
@@ -27,13 +29,15 @@ interface CreatorChannelCommunityQueryPort {
         viewerId: Long,
         isPinned: Boolean,
         canViewAdultContent: Boolean,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityPostRecord>
 
     fun findCommunityPost(
         postId: Long,
         viewerId: Long,
-        canViewAdultContent: Boolean
+        canViewAdultContent: Boolean,
+        lang: Lang
     ): CreatorChannelCommunityPostRecord?
 
     fun countCommunityComments(
@@ -47,12 +51,14 @@ interface CreatorChannelCommunityQueryPort {
         viewerId: Long,
         creatorId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord>
 
     fun findLatestRepliesByCommentIds(
         commentIds: List<Long>,
-        viewerId: Long
+        viewerId: Long,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord>
 
     fun findRootCommentContext(
@@ -70,7 +76,8 @@ interface CreatorChannelCommunityQueryPort {
         commentId: Long,
         viewerId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelCommunityCommentRecord>
 }
 
@@ -107,7 +114,8 @@ data class CreatorChannelCommunityCommentRecord(
     val writerNickname: String,
     val content: String,
     val isSecret: Boolean,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )
 
 data class CreatorChannelCommunityCommentContextRecord(

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/donation/adapter/out/persistence/DefaultCreatorChannelDonationQueryRepository.kt

@@ -4,11 +4,13 @@ import com.querydsl.core.types.Projections
 import com.querydsl.core.types.dsl.BooleanExpression
 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.member.block.QBlockMember
 import kr.co.vividnext.sodalive.v2.creator.channel.donation.domain.CreatorChannelDonationQueryPolicy
 import kr.co.vividnext.sodalive.v2.creator.channel.donation.port.out.CreatorChannelDonationCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.donation.port.out.CreatorChannelDonationRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
 
@@ -18,16 +20,18 @@ class DefaultCreatorChannelDonationQueryRepository(
 ) : CreatorChannelDonationQueryRepository {
     private val queryPolicy = CreatorChannelDonationQueryPolicy()
 
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelDonationCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelDonationCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelDonationCreatorName")
         val creator = queryFactory
             .select(
                 member.id,
                 member.role,
-                member.nickname,
+                creatorName.displayName,
                 member.isVisibleDonationRank,
                 member.donationRankingPeriod
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue
@@ -37,7 +41,7 @@ class DefaultCreatorChannelDonationQueryRepository(
         return CreatorChannelDonationCreatorRecord(
             creatorId = creator.get(member.id)!!,
             role = creator.get(member.role)!!,
-            nickname = creator.get(member.nickname)!!,
+            nickname = creator.get(creatorName.displayName)!!,
             isVisibleDonationRank = creator.get(member.isVisibleDonationRank)!!,
             donationRankingPeriod = creator.get(member.donationRankingPeriod)
         )
@@ -75,20 +79,26 @@ class DefaultCreatorChannelDonationQueryRepository(
         viewerId: Long,
         now: LocalDateTime,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelDonationRecord> {
+        val donorName = CreatorNameJoin(member, lang, "channelDonationDonorName")
         return queryFactory
             .select(
                 Projections.constructor(
                     CreatorChannelDonationRecord::class.java,
-                    channelDonationMessage.member.nickname,
+                    channelDonationMessage.member.id,
+                    donorName.displayName,
                     channelDonationMessage.member.profileImage,
                     channelDonationMessage.can,
                     channelDonationMessage.additionalMessage,
-                    channelDonationMessage.createdAt
+                    channelDonationMessage.createdAt,
+                    donorName.name.id.isNotNull
                 )
             )
             .from(channelDonationMessage)
+            .join(channelDonationMessage.member, member)
+            .leftJoin(donorName.name).on(donorName.condition)
             .where(channelDonationCondition(creatorId, viewerId, now))
             .orderBy(channelDonationMessage.createdAt.desc(), channelDonationMessage.id.desc())
             .offset(offset)

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/donation/application/CreatorChannelDonationQueryService.kt

@@ -2,7 +2,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel.donation.application
 
 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.Lang
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.DonationRankingPeriod
 import kr.co.vividnext.sodalive.member.Member
@@ -30,7 +30,6 @@ class CreatorChannelDonationQueryService(
     private val rankingPort: CreatorChannelDonationRankingPort,
     private val queryPolicy: CreatorChannelDonationQueryPolicy,
     private val messageSource: SodaMessageSource,
-    private val langContext: LangContext,
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) {
@@ -39,17 +38,18 @@ class CreatorChannelDonationQueryService(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime
+        now: LocalDateTime,
+        lang: Lang
     ): CreatorChannelDonationTab {
         val donationPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }
@@ -61,7 +61,8 @@ class CreatorChannelDonationQueryService(
             viewerId = viewerId,
             now = now,
             offset = donationPage.offset,
-            limit = donationPage.fetchLimit
+            limit = donationPage.fetchLimit,
+            lang = lang
         )
 
         return CreatorChannelDonationTab(
@@ -95,7 +96,8 @@ class CreatorChannelDonationQueryService(
     }
 
     private fun CreatorChannelDonationRecord.toDomain() = CreatorChannelDonation(
-        nickname = nickname.removeDeletedNicknamePrefix(),
+        memberId = memberId,
+        nickname = if (isLocalizedName) nickname else nickname.removeDeletedNicknamePrefix(),
         profileImageUrl = profileImagePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
         can = can,
         message = message.orEmpty(),

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/donation/domain/CreatorChannelDonationTab.kt

@@ -19,6 +19,7 @@ data class CreatorChannelDonationRanking(
 )
 
 data class CreatorChannelDonation(
+    val memberId: Long,
     val nickname: String,
     val profileImageUrl: String,
     val can: Int,

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/donation/port/out/CreatorChannelDonationQueryPort.kt

@@ -1,11 +1,12 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.donation.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.DonationRankingPeriod
 import kr.co.vividnext.sodalive.member.MemberRole
 import java.time.LocalDateTime
 
 interface CreatorChannelDonationQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelDonationCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelDonationCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 
@@ -20,7 +21,8 @@ interface CreatorChannelDonationQueryPort {
         viewerId: Long,
         now: LocalDateTime,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelDonationRecord>
 }
 
@@ -33,9 +35,11 @@ data class CreatorChannelDonationCreatorRecord(
 )
 
 data class CreatorChannelDonationRecord(
+    val memberId: Long,
     val nickname: String,
     val profileImagePath: String?,
     val can: Int,
     val message: String?,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/fantalk/adapter/out/persistence/DefaultCreatorChannelFanTalkQueryRepository.kt

@@ -4,21 +4,25 @@ import com.querydsl.core.types.Projections
 import com.querydsl.core.types.dsl.BooleanExpression
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.explorer.profile.QCreatorCheers.creatorCheers
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.v2.creator.channel.fantalk.port.out.CreatorChannelFanTalkCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.fantalk.port.out.CreatorChannelFanTalkRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.fantalk.port.out.CreatorChannelFanTalkReplyRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 
 @Repository
 class DefaultCreatorChannelFanTalkQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelFanTalkQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelFanTalkCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelFanTalkCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelFanTalkCreatorName")
         val creator = queryFactory
-            .select(member.id, member.role, member.nickname)
+            .select(member.id, member.role, creatorName.displayName)
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue
@@ -28,7 +32,7 @@ class DefaultCreatorChannelFanTalkQueryRepository(
         return CreatorChannelFanTalkCreatorRecord(
             creatorId = creator.get(member.id)!!,
             role = creator.get(member.role)!!,
-            nickname = creator.get(member.nickname)!!
+            nickname = creator.get(creatorName.displayName)!!
         )
     }
 
@@ -59,21 +63,26 @@ class DefaultCreatorChannelFanTalkQueryRepository(
         creatorId: Long,
         viewerId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelFanTalkRecord> {
+        val writerName = CreatorNameJoin(member, lang, "channelFanTalkWriterName")
         return queryFactory
             .select(
                 Projections.constructor(
                     CreatorChannelFanTalkRecord::class.java,
                     creatorCheers.id,
                     creatorCheers.member.id,
-                    creatorCheers.member.nickname,
+                    writerName.displayName,
                     creatorCheers.member.profileImage,
                     creatorCheers.cheers,
-                    creatorCheers.createdAt
+                    creatorCheers.createdAt,
+                    writerName.name.id.isNotNull
                 )
             )
             .from(creatorCheers)
+            .join(creatorCheers.member, member)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(fanTalkCondition(creatorId, viewerId))
             .orderBy(creatorCheers.createdAt.desc(), creatorCheers.id.desc())
             .offset(offset)
@@ -83,9 +92,11 @@ class DefaultCreatorChannelFanTalkQueryRepository(
 
     override fun findCreatorReplies(
         creatorId: Long,
-        parentFanTalkIds: List<Long>
+        parentFanTalkIds: List<Long>,
+        lang: Lang
     ): List<CreatorChannelFanTalkReplyRecord> {
         if (parentFanTalkIds.isEmpty()) return emptyList()
+        val writerName = CreatorNameJoin(member, lang, "channelFanTalkReplyWriterName")
 
         return queryFactory
             .select(
@@ -94,13 +105,16 @@ class DefaultCreatorChannelFanTalkQueryRepository(
                     creatorCheers.id,
                     creatorCheers.parent.id,
                     creatorCheers.member.id,
-                    creatorCheers.member.nickname,
+                    writerName.displayName,
                     creatorCheers.member.profileImage,
                     creatorCheers.cheers,
-                    creatorCheers.createdAt
+                    creatorCheers.createdAt,
+                    writerName.name.id.isNotNull
                 )
             )
             .from(creatorCheers)
+            .join(creatorCheers.member, member)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(
                 creatorCheers.creator.id.eq(creatorId),
                 creatorCheers.member.id.eq(creatorId),

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/fantalk/application/CreatorChannelFanTalkQueryService.kt

@@ -2,7 +2,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel.fantalk.application
 
 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.Lang
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
@@ -27,7 +27,6 @@ class CreatorChannelFanTalkQueryService(
     private val queryPortProvider: ObjectProvider<CreatorChannelFanTalkQueryPort>,
     private val queryPolicy: CreatorChannelFanTalkQueryPolicy,
     private val messageSource: SodaMessageSource,
-    private val langContext: LangContext,
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) {
@@ -36,17 +35,18 @@ class CreatorChannelFanTalkQueryService(
         viewer: Member,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelFanTalkTab {
         val fanTalkPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }
@@ -57,10 +57,11 @@ class CreatorChannelFanTalkQueryService(
             creatorId = creatorId,
             viewerId = viewerId,
             offset = fanTalkPage.offset,
-            limit = fanTalkPage.fetchLimit
+            limit = fanTalkPage.fetchLimit,
+            lang = lang
         )
         val fanTalkRecords = queryPolicy.limitItems(fetchedFanTalks, fanTalkPage)
-        val repliesByParentId = findRepliesByParentId(queryPort, creatorId, fanTalkRecords)
+        val repliesByParentId = findRepliesByParentId(queryPort, creatorId, fanTalkRecords, lang)
 
         return CreatorChannelFanTalkTab(
             fanTalkCount = queryPort.countFanTalks(creatorId, viewerId),
@@ -80,11 +81,12 @@ class CreatorChannelFanTalkQueryService(
     private fun findRepliesByParentId(
         queryPort: CreatorChannelFanTalkQueryPort,
         creatorId: Long,
-        fanTalkRecords: List<CreatorChannelFanTalkRecord>
+        fanTalkRecords: List<CreatorChannelFanTalkRecord>,
+        lang: Lang
     ): Map<Long, List<CreatorChannelFanTalkReply>> {
         val parentFanTalkIds = fanTalkRecords.map { it.fanTalkId }
         if (parentFanTalkIds.isEmpty()) return emptyMap()
-        return queryPort.findCreatorReplies(creatorId, parentFanTalkIds)
+        return queryPort.findCreatorReplies(creatorId, parentFanTalkIds, lang)
             .groupBy(
                 keySelector = { it.parentFanTalkId },
                 valueTransform = { it.toDomain() }
@@ -96,7 +98,7 @@ class CreatorChannelFanTalkQueryService(
     ) = CreatorChannelFanTalk(
         fanTalkId = fanTalkId,
         writerId = writerId,
-        writerNickname = writerNickname.removeDeletedNicknamePrefix(),
+        writerNickname = if (isLocalizedName) writerNickname else writerNickname.removeDeletedNicknamePrefix(),
         writerProfileImageUrl = writerProfileImagePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
         content = content,
         createdAt = createdAt,
@@ -106,7 +108,7 @@ class CreatorChannelFanTalkQueryService(
     private fun CreatorChannelFanTalkReplyRecord.toDomain() = CreatorChannelFanTalkReply(
         fanTalkId = fanTalkId,
         writerId = writerId,
-        writerNickname = writerNickname.removeDeletedNicknamePrefix(),
+        writerNickname = if (isLocalizedName) writerNickname else writerNickname.removeDeletedNicknamePrefix(),
         writerProfileImageUrl = writerProfileImagePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
         content = content,
         createdAt = createdAt

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/fantalk/port/out/CreatorChannelFanTalkQueryPort.kt

@@ -1,10 +1,11 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.fantalk.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import java.time.LocalDateTime
 
 interface CreatorChannelFanTalkQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelFanTalkCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelFanTalkCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 
@@ -14,12 +15,14 @@ interface CreatorChannelFanTalkQueryPort {
         creatorId: Long,
         viewerId: Long,
         offset: Long,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelFanTalkRecord>
 
     fun findCreatorReplies(
         creatorId: Long,
-        parentFanTalkIds: List<Long>
+        parentFanTalkIds: List<Long>,
+        lang: Lang
     ): List<CreatorChannelFanTalkReplyRecord>
 }
 
@@ -35,7 +38,8 @@ data class CreatorChannelFanTalkRecord(
     val writerNickname: String,
     val writerProfileImagePath: String?,
     val content: String,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )
 
 data class CreatorChannelFanTalkReplyRecord(
@@ -45,5 +49,6 @@ data class CreatorChannelFanTalkReplyRecord(
     val writerNickname: String,
     val writerProfileImagePath: String?,
     val content: String,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/home/adapter/out/persistence/DefaultCreatorChannelHomeQueryRepository.kt

@@ -17,11 +17,13 @@ import kr.co.vividnext.sodalive.creator.admin.content.series.QSeriesContent.seri
 import kr.co.vividnext.sodalive.explorer.profile.QCreatorCheers.creatorCheers
 import kr.co.vividnext.sodalive.explorer.profile.channelDonation.QChannelDonationMessage.channelDonationMessage
 import kr.co.vividnext.sodalive.extensions.removeDeletedNicknamePrefix
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.GenderRestriction
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.live.room.visit.QLiveRoomVisit.liveRoomVisit
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.MemberKind
+import kr.co.vividnext.sodalive.member.QMember
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollowing
@@ -36,6 +38,7 @@ import kr.co.vividnext.sodalive.v2.creator.channel.home.port.out.CreatorChannelL
 import kr.co.vividnext.sodalive.v2.creator.channel.home.port.out.CreatorChannelScheduleRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.home.port.out.CreatorChannelSeriesRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.home.port.out.CreatorChannelSnsRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import java.time.Duration
 import java.time.LocalDateTime
@@ -46,10 +49,12 @@ import java.time.temporal.ChronoUnit
 class DefaultCreatorChannelHomeQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelHomeQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelHomeCreatorName")
         val creator = queryFactory
-            .select(member.id, member.role, member.nickname, member.profileImage, member.introduce, member.memberKind)
+            .select(member.id, member.role, creatorName.displayName, member.profileImage, member.introduce, member.memberKind)
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue
@@ -81,7 +86,7 @@ class DefaultCreatorChannelHomeQueryRepository(
             creatorId = creator.get(member.id)!!,
             role = creator.get(member.role)!!,
             characterId = characterId,
-            nickname = creator.get(member.nickname)!!,
+            nickname = creator.get(creatorName.displayName)!!,
             profileImagePath = creator.get(member.profileImage),
             introduce = creator.get(member.introduce)!!,
             followerCount = queryFactory
@@ -172,8 +177,11 @@ class DefaultCreatorChannelHomeQueryRepository(
         creatorId: Long,
         viewerId: Long?,
         now: LocalDateTime,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<CreatorChannelDonationRecord> {
+        val donor = QMember("channelHomeDonor")
+        val donorName = CreatorNameJoin(donor, lang, "channelHomeDonorName")
         val kstZoneId = ZoneId.of("Asia/Seoul")
         val utcZoneId = ZoneId.of("UTC")
         val nowKst = now.atZone(utcZoneId).withZoneSameInstant(kstZoneId)
@@ -187,14 +195,18 @@ class DefaultCreatorChannelHomeQueryRepository(
             .select(
                 Projections.constructor(
                     CreatorChannelDonationRecord::class.java,
-                    channelDonationMessage.member.nickname,
+                    channelDonationMessage.member.id,
+                    donorName.displayName,
                     channelDonationMessage.member.profileImage,
                     channelDonationMessage.can,
                     channelDonationMessage.additionalMessage.coalesce(""),
-                    channelDonationMessage.createdAt
+                    channelDonationMessage.createdAt,
+                    donorName.name.id.isNotNull
                 )
             )
             .from(channelDonationMessage)
+            .join(channelDonationMessage.member, donor)
+            .leftJoin(donorName.name).on(donorName.condition)
             .where(
                 channelDonationMessage.creator.id.eq(creatorId),
                 channelDonationMessage.createdAt.goe(start),
@@ -356,7 +368,9 @@ class DefaultCreatorChannelHomeQueryRepository(
             }
     }
 
-    override fun findFanTalkSummary(creatorId: Long, viewerId: Long?): CreatorChannelFanTalkSummaryRecord {
+    override fun findFanTalkSummary(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelFanTalkSummaryRecord {
+        val writer = QMember("channelHomeFanTalkWriter")
+        val writerName = CreatorNameJoin(writer, lang, "channelHomeFanTalkWriterName")
         val totalCount = queryFactory
             .select(creatorCheers.id.count())
             .from(creatorCheers)
@@ -371,19 +385,22 @@ class DefaultCreatorChannelHomeQueryRepository(
                     CreatorChannelFanTalkRecord::class.java,
                     creatorCheers.id,
                     creatorCheers.member.id,
-                    creatorCheers.member.nickname,
+                    writerName.displayName,
                     creatorCheers.member.profileImage,
                     creatorCheers.cheers,
                     creatorCheers.languageCode,
-                    creatorCheers.createdAt
+                    creatorCheers.createdAt,
+                    writerName.name.id.isNotNull
                 )
             )
             .from(creatorCheers)
+            .join(creatorCheers.member, writer)
+            .leftJoin(writerName.name).on(writerName.condition)
             .where(fanTalkSummaryCondition(creatorId, viewerId))
             .orderBy(creatorCheers.createdAt.desc(), creatorCheers.id.desc())
             .limit(1)
             .fetchFirst()
-            ?.let { it.copy(nickname = it.nickname.removeDeletedNicknamePrefix()) }
+            ?.let { if (it.isLocalizedName) it else it.copy(nickname = it.nickname.removeDeletedNicknamePrefix()) }
 
         return CreatorChannelFanTalkSummaryRecord(
             totalCount = totalCount,

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/home/application/CreatorChannelHomeQueryService.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel.home.application
 
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.extensions.removeDeletedNicknamePrefix
+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.Gender
@@ -54,15 +55,16 @@ class CreatorChannelHomeQueryService(
     fun getHome(
         creatorId: Long,
         viewer: Member,
-        now: LocalDateTime = LocalDateTime.now(ZoneOffset.UTC)
+        now: LocalDateTime = LocalDateTime.now(ZoneOffset.UTC),
+        lang: Lang
     ): CreatorChannelHome {
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }
@@ -100,13 +102,14 @@ class CreatorChannelHomeQueryService(
                 effectiveViewerGender = effectiveViewerGender
             )?.toDomain(),
             latestAudioContent = latestAudioContent,
-            channelDonations = queryPort.findChannelDonations(creatorId, viewerId, now).map { it.toDomain() },
+            channelDonations = queryPort.findChannelDonations(creatorId, viewerId, now, lang = lang).map { it.toDomain() },
             notices = communityQueryService.findHomeCommunityPosts(
                 creatorId = creatorId,
                 viewerId = viewerId,
                 isPinned = true,
                 canViewAdultContent = canViewAdultContent,
-                limit = 3
+                limit = 3,
+                lang = lang
             ),
             schedules = queryPolicy.limitSchedules(
                 queryPort.findSchedules(
@@ -135,9 +138,10 @@ class CreatorChannelHomeQueryService(
                 viewerId = viewerId,
                 isPinned = false,
                 canViewAdultContent = canViewAdultContent,
-                limit = 3
+                limit = 3,
+                lang = lang
             ),
-            fanTalk = queryPort.findFanTalkSummary(creatorId, viewerId).toDomain(),
+            fanTalk = queryPort.findFanTalkSummary(creatorId, viewerId, lang).toDomain(),
             introduce = creator.introduce,
             activity = queryPort.findActivity(creatorId, now).toDomain(),
             sns = queryPort.findSns(creatorId).toDomain()
@@ -193,7 +197,8 @@ class CreatorChannelHomeQueryService(
     )
 
     private fun CreatorChannelDonationRecord.toDomain() = CreatorChannelDonation(
-        nickname = nickname.removeDeletedNicknamePrefix(),
+        memberId = memberId,
+        nickname = if (isLocalizedName) nickname else nickname.removeDeletedNicknamePrefix(),
         profileImageUrl = profileImagePath.toCdnUrl(cloudFrontHost) ?: defaultProfileImageUrl(),
         can = can,
         message = message,

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/home/domain/CreatorChannelHome.kt

@@ -43,6 +43,7 @@ data class CreatorChannelLive(
 )
 
 data class CreatorChannelDonation(
+    val memberId: Long,
     val nickname: String,
     val profileImageUrl: String,
     val can: Int,

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/home/port/out/CreatorChannelHomeQueryPort.kt

@@ -1,13 +1,14 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.home.port.out
 
 import kr.co.vividnext.sodalive.content.ContentType
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.common.domain.CreatorActivityType
 import java.time.LocalDateTime
 
 interface CreatorChannelHomeQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 
@@ -32,7 +33,8 @@ interface CreatorChannelHomeQueryPort {
         creatorId: Long,
         viewerId: Long?,
         now: LocalDateTime,
-        limit: Int = 8
+        limit: Int = 8,
+        lang: Lang
     ): List<CreatorChannelDonationRecord>
 
     fun findSchedules(
@@ -66,7 +68,7 @@ interface CreatorChannelHomeQueryPort {
         limit: Int = 8
     ): List<CreatorChannelSeriesRecord>
 
-    fun findFanTalkSummary(creatorId: Long, viewerId: Long?): CreatorChannelFanTalkSummaryRecord
+    fun findFanTalkSummary(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelFanTalkSummaryRecord
 
     fun findActivity(creatorId: Long, now: LocalDateTime): CreatorChannelActivityRecord
 
@@ -112,11 +114,13 @@ data class CreatorChannelAudioContentRecord(
 )
 
 data class CreatorChannelDonationRecord(
+    val memberId: Long,
     val nickname: String,
     val profileImagePath: String?,
     val can: Int,
     val message: String,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )
 
 data class CreatorChannelScheduleRecord(
@@ -148,7 +152,8 @@ data class CreatorChannelFanTalkRecord(
     val profileImagePath: String?,
     val content: String,
     val languageCode: String?,
-    val createdAt: LocalDateTime
+    val createdAt: LocalDateTime,
+    val isLocalizedName: Boolean = false
 )
 
 data class CreatorChannelActivityRecord(

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/live/adapter/out/persistence/DefaultCreatorChannelLiveQueryRepository.kt

@@ -11,6 +11,7 @@ import kr.co.vividnext.sodalive.content.order.QOrder.order
 import kr.co.vividnext.sodalive.content.theme.QAudioContentTheme.audioContentTheme
 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.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.GenderRestriction
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.member.Gender
@@ -20,6 +21,7 @@ import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import kr.co.vividnext.sodalive.v2.creator.channel.live.port.out.CreatorChannelAudioContentRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.live.port.out.CreatorChannelCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.live.port.out.CreatorChannelLiveRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
 
@@ -27,17 +29,19 @@ import java.time.LocalDateTime
 class DefaultCreatorChannelLiveQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelLiveQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelLiveCreatorName")
         return queryFactory
             .select(
                 Projections.constructor(
                     CreatorChannelCreatorRecord::class.java,
                     member.id,
                     member.role,
-                    member.nickname
+                    creatorName.displayName
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/live/application/CreatorChannelLiveQueryService.kt

@@ -1,7 +1,7 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.live.application
 
 import kr.co.vividnext.sodalive.common.SodaException
-import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.Member
@@ -30,7 +30,6 @@ class CreatorChannelLiveQueryService(
     private val queryPolicy: CreatorChannelLiveReplayQueryPolicy,
     private val memberContentPreferenceService: MemberContentPreferenceService,
     private val messageSource: SodaMessageSource,
-    private val langContext: LangContext,
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) {
@@ -40,17 +39,18 @@ class CreatorChannelLiveQueryService(
         sort: ContentSort,
         page: Int,
         size: Int,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelLiveTab {
         val livePage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/live/port/out/CreatorChannelLiveQueryPort.kt

@@ -1,12 +1,13 @@
 package kr.co.vividnext.sodalive.v2.creator.channel.live.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import java.time.LocalDateTime
 
 interface CreatorChannelLiveQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/series/adapter/out/persistence/DefaultCreatorChannelSeriesQueryRepository.kt

@@ -11,11 +11,13 @@ import kr.co.vividnext.sodalive.content.order.QOrder
 import kr.co.vividnext.sodalive.content.series.translation.QSeriesTranslation
 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.i18n.Lang
 import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import kr.co.vividnext.sodalive.v2.creator.channel.series.port.out.CreatorChannelSeriesCreatorRecord
 import kr.co.vividnext.sodalive.v2.creator.channel.series.port.out.CreatorChannelSeriesRecord
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import org.springframework.stereotype.Repository
 import java.time.LocalDateTime
 
@@ -23,17 +25,19 @@ import java.time.LocalDateTime
 class DefaultCreatorChannelSeriesQueryRepository(
     private val queryFactory: JPAQueryFactory
 ) : CreatorChannelSeriesQueryRepository {
-    override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelSeriesCreatorRecord? {
+    override fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelSeriesCreatorRecord? {
+        val creatorName = CreatorNameJoin(member, lang, "channelSeriesCreatorName")
         return queryFactory
             .select(
                 Projections.constructor(
                     CreatorChannelSeriesCreatorRecord::class.java,
                     member.id,
                     member.role,
-                    member.nickname
+                    creatorName.displayName
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.id.eq(creatorId),
                 member.isActive.isTrue

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/series/application/CreatorChannelSeriesQueryService.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel.series.application
 
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesState
+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
@@ -37,18 +38,19 @@ class CreatorChannelSeriesQueryService(
         sort: String?,
         page: Int?,
         size: Int?,
-        now: LocalDateTime = LocalDateTime.now()
+        now: LocalDateTime = LocalDateTime.now(),
+        lang: Lang
     ): CreatorChannelSeriesTab {
         val resolvedSort = queryPolicy.resolveSort(sort)
         val seriesPage = queryPolicy.createPage(page, size)
         val queryPort = queryPortProvider.getObject()
         val viewerId = viewer.id!!
-        val creator = queryPort.findCreator(creatorId, viewerId)
+        val creator = queryPort.findCreator(creatorId, viewerId, lang)
             ?: throw SodaException(messageKey = "member.validation.user_not_found")
 
         if (queryPort.existsBlockedBetween(viewerId, creatorId)) {
             val messageTemplate = messageSource
-                .getMessage("explorer.creator.blocked_access", langContext.lang)
+                .getMessage("explorer.creator.blocked_access", lang)
                 .orEmpty()
             throw SodaException(message = String.format(messageTemplate, creator.nickname))
         }

src/main/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/series/port/out/CreatorChannelSeriesQueryPort.kt

@@ -2,12 +2,13 @@ package kr.co.vividnext.sodalive.v2.creator.channel.series.port.out
 
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesPublishedDaysOfWeek
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesState
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import java.time.LocalDateTime
 
 interface CreatorChannelSeriesQueryPort {
-    fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelSeriesCreatorRecord?
+    fun findCreator(creatorId: Long, viewerId: Long?, lang: Lang): CreatorChannelSeriesCreatorRecord?
 
     fun existsBlockedBetween(viewerId: Long, creatorId: Long): Boolean
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/gift/application/GiftQueryService.kt

@@ -1,8 +1,10 @@
 package kr.co.vividnext.sodalive.v2.gift.application
 
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import kr.co.vividnext.sodalive.v2.gift.adapter.out.persistence.Gift
 import kr.co.vividnext.sodalive.v2.gift.adapter.out.persistence.GiftCategoryRepository
 import kr.co.vividnext.sodalive.v2.gift.adapter.out.persistence.GiftDelivery
@@ -112,7 +114,8 @@ class GiftQueryService(
     private val memberRepository: MemberRepository,
     private val giftMailboxRepository: GiftMailboxRepository,
     @Value("\${cloud.aws.cloud-front.host}")
-    private val cloudFrontHost: String
+    private val cloudFrontHost: String,
+    private val creatorLocalizedNameService: CreatorLocalizedNameService
 ) {
     @Transactional(readOnly = true)
     fun getFormOptions() = GiftFormOptionsResult(
@@ -134,7 +137,7 @@ class GiftQueryService(
     )
 
     @Transactional(readOnly = true)
-    fun getGifts(memberId: Long, type: GiftListType, page: Int, size: Int): GiftListResult {
+    fun getGifts(memberId: Long, type: GiftListType, page: Int, size: Int, lang: Lang): GiftListResult {
         val normalizedPage = page.coerceAtLeast(0)
         val normalizedSize = if (size <= 0) DEFAULT_PAGE_SIZE else size
         val pageable = PageRequest.of(normalizedPage, normalizedSize, Sort.by(Sort.Direction.DESC, "createdAt", "id"))
@@ -156,13 +159,14 @@ class GiftQueryService(
         val membersById = memberRepository.findAllById(
             gifts.content.flatMap { listOf(it.senderMemberId, it.recipientMemberId) }.toSet()
         ).associateBy { it.id ?: throw invalidRequest() }
+        val names = creatorLocalizedNameService.findLocalizedNames(membersById.keys, lang)
         val deliveriesByGiftId = deliveryRepository.findByGiftIdIn(
             gifts.content.mapNotNull { it.id }
         ).associateBy { it.giftId }
 
         return GiftListResult(
             totalCount = gifts.totalElements,
-            items = gifts.content.map { it.toGiftListItem(memberId, membersById, deliveriesByGiftId) },
+            items = gifts.content.map { it.toGiftListItem(memberId, membersById, deliveriesByGiftId, names) },
             page = normalizedPage,
             size = normalizedSize,
             hasNext = gifts.hasNext()
@@ -170,12 +174,13 @@ class GiftQueryService(
     }
 
     @Transactional(readOnly = true)
-    fun getGiftDetail(memberId: Long, applicationNo: String): GiftDetailResult {
+    fun getGiftDetail(memberId: Long, applicationNo: String, lang: Lang): GiftDetailResult {
         val gift = giftRepository.findByApplicationNo(applicationNo) ?: throw invalidRequest()
         val delivery = deliveryRepository.findByGiftId(gift.id ?: throw invalidRequest()) ?: throw invalidRequest()
         val direction = gift.directionFor(memberId)
         val sender = memberRepository.findByIdOrNull(gift.senderMemberId) ?: throw invalidRequest()
         val recipient = memberRepository.findByIdOrNull(gift.recipientMemberId) ?: throw invalidRequest()
+        val names = creatorLocalizedNameService.findLocalizedNames(listOf(gift.senderMemberId, gift.recipientMemberId), lang)
         val recipientAddress = if (direction == GiftDirection.RECEIVED) delivery.toRecipientAddressResult() else null
 
         return GiftDetailResult(
@@ -184,8 +189,10 @@ class GiftQueryService(
             status = gift.status,
             statusName = gift.status.displayName,
             giftInfo = GiftDetailInfoResult(
-                recipientCreatorNickname = recipient.nickname.takeIf { direction == GiftDirection.SENT },
+                recipientCreatorNickname = (names[gift.recipientMemberId] ?: recipient.nickname)
-                senderNickname = sender.nickname.takeIf { direction == GiftDirection.RECEIVED },
+                    .takeIf { direction == GiftDirection.SENT },
+                senderNickname = (names[gift.senderMemberId] ?: sender.nickname)
+                    .takeIf { direction == GiftDirection.RECEIVED },
                 sizeName = gift.sizeCode.displayName,
                 categoryName = gift.categoryNameSnapshot,
                 applicationNo = gift.applicationNo.takeIf { direction == GiftDirection.SENT },
@@ -212,7 +219,8 @@ class GiftQueryService(
     private fun Gift.toGiftListItem(
         memberId: Long,
         membersById: Map<Long, Member>,
-        deliveriesByGiftId: Map<Long, GiftDelivery>
+        deliveriesByGiftId: Map<Long, GiftDelivery>,
+        names: Map<Long, String>
     ): GiftListItemResult {
         val direction = if (senderMemberId == memberId) GiftDirection.SENT else GiftDirection.RECEIVED
         val counterpartId = if (direction == GiftDirection.SENT) recipientMemberId else senderMemberId
@@ -229,7 +237,7 @@ class GiftQueryService(
             categoryName = categoryNameSnapshot,
             sizeName = sizeCode.displayName,
             counterpartMemberId = counterpartId,
-            counterpartNickname = counterpart.nickname,
+            counterpartNickname = names[counterpartId] ?: counterpart.nickname,
             counterpartProfileImageUrl = counterpart.profileImageUrl(),
             recipientAddressRegistered = recipientAddressRegistered,
             recipientAddressDeadlineAt = delivery.recipientAddressDeadlineAt.takeUnless { recipientAddressRegistered },

src/main/kotlin/kr/co/vividnext/sodalive/v2/home/following/adapter/out/persistence/DefaultHomeFollowingQueryRepository.kt

@@ -11,6 +11,7 @@ import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.QCreatorCommun
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.comment.QCreatorCommunityComment.creatorCommunityComment
 import kr.co.vividnext.sodalive.explorer.profile.creatorCommunity.like.QCreatorCommunityLike.creatorCommunityLike
 import kr.co.vividnext.sodalive.extensions.toUtcIso
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.live.room.GenderRestriction
 import kr.co.vividnext.sodalive.live.room.QLiveRoom.liveRoom
 import kr.co.vividnext.sodalive.member.Gender
@@ -20,6 +21,7 @@ import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.member.following.QCreatorFollowing.creatorFollowing
 import kr.co.vividnext.sodalive.v2.common.domain.CreatorActivityType
 import kr.co.vividnext.sodalive.v2.common.domain.toCdnUrl
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import kr.co.vividnext.sodalive.v2.home.following.adapter.out.persistence.QHomeFollowingNewsInbox.homeFollowingNewsInbox
 import kr.co.vividnext.sodalive.v2.home.following.domain.FollowingNewsType
 import kr.co.vividnext.sodalive.v2.home.following.domain.HomeFollowingCommunityPostNews
@@ -46,12 +48,14 @@ class DefaultHomeFollowingQueryRepository(
     @Value("\${cloud.aws.cloud-front.host}")
     private val cloudFrontHost: String
 ) : HomeFollowingQueryRepository {
-    override fun findFollowingCreators(memberId: Long, limit: Int): List<HomeFollowingCreator> {
+    override fun findFollowingCreators(memberId: Long, limit: Int, lang: Lang): List<HomeFollowingCreator> {
         val creator = QMember("followingCreator")
+        val creatorName = CreatorNameJoin(creator, lang, "followingCreatorName")
         return queryFactory
-            .select(creator.id, creator.nickname, creator.profileImage)
+            .select(creator.id, creatorName.displayName, creator.profileImage)
             .from(creatorFollowing)
             .join(creatorFollowing.creator, creator)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 creatorFollowing.member.id.eq(memberId),
                 creatorFollowing.isActive.isTrue,
@@ -65,7 +69,7 @@ class DefaultHomeFollowingQueryRepository(
             .map { row ->
                 HomeFollowingCreator(
                     creatorId = row.get(creator.id)!!,
-                    creatorNickname = row.get(creator.nickname)!!,
+                    creatorNickname = row.get(creatorName.displayName)!!,
                     creatorProfileImageUrl = profileImageUrl(row.get(creator.profileImage))
                 )
             }
@@ -76,13 +80,23 @@ class DefaultHomeFollowingQueryRepository(
         canViewAdultContent: Boolean,
         effectiveViewerGender: Gender,
         isViewerCreator: Boolean,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingLive> {
         val creator = QMember("onAirCreator")
+        val creatorName = CreatorNameJoin(creator, lang, "followingOnAirCreatorName")
         return queryFactory
-            .select(liveRoom.id, creator.profileImage, creator.nickname, liveRoom.title, liveRoom.beginDateTime)
+            .select(
+                liveRoom.id,
+                creator.profileImage,
+                creatorName.displayName,
+                liveRoom.title,
+                liveRoom.beginDateTime,
+                creator.id
+            )
             .from(liveRoom)
             .join(liveRoom.member, creator)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .join(creatorFollowing).on(creatorFollowing.creator.id.eq(creator.id))
             .where(
                 creatorFollowing.member.id.eq(memberId),
@@ -104,9 +118,10 @@ class DefaultHomeFollowingQueryRepository(
                 HomeFollowingLive(
                     liveId = row.get(liveRoom.id)!!,
                     creatorProfileImageUrl = profileImageUrl(row.get(creator.profileImage)),
-                    creatorNickname = row.get(creator.nickname)!!,
+                    creatorNickname = row.get(creatorName.displayName)!!,
                     title = row.get(liveRoom.title)!!,
-                    startedAtUtc = row.get(liveRoom.beginDateTime)!!.toUtcIso()
+                    startedAtUtc = row.get(liveRoom.beginDateTime)!!.toUtcIso(),
+                    creatorMemberId = row.get(creator.id)!!
                 )
             }
     }
@@ -117,7 +132,8 @@ class DefaultHomeFollowingQueryRepository(
         effectiveViewerGender: Gender,
         isViewerCreator: Boolean,
         now: LocalDateTime,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingSchedule> {
         val window = monthlyScheduleWindow(now)
         val liveSchedules = findLiveSchedules(
@@ -125,9 +141,10 @@ class DefaultHomeFollowingQueryRepository(
             canViewAdultContent,
             effectiveViewerGender,
             isViewerCreator,
-            window
+            window,
+            lang
         )
-        val audioSchedules = findAudioSchedules(memberId, canViewAdultContent, window)
+        val audioSchedules = findAudioSchedules(memberId, canViewAdultContent, window, lang)
         return (liveSchedules + audioSchedules)
             .sortedWith(
                 compareBy<HomeFollowingSchedule> { it.scheduledAtUtc }
@@ -141,17 +158,20 @@ class DefaultHomeFollowingQueryRepository(
         memberId: Long,
         canViewAdultContent: Boolean,
         nowUtc: LocalDateTime,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingNews> {
         val creator = QMember("newsCreator")
+        val creatorName = CreatorNameJoin(creator, lang, "followingNewsCreatorName")
         val newsAudioContent = QAudioContent("recentNewsAudioContent")
         val newsCommunity = QCreatorCommunity("recentNewsCommunity")
         val rows = queryFactory
             .select(
                 homeFollowingNewsInbox.id,
                 homeFollowingNewsInbox.newsType,
+                creator.id,
                 creator.profileImage,
-                creator.nickname,
+                creatorName.displayName,
                 homeFollowingNewsInbox.targetId,
                 homeFollowingNewsInbox.visibleFromAtUtc,
                 homeFollowingNewsInbox.rank,
@@ -163,6 +183,7 @@ class DefaultHomeFollowingQueryRepository(
             )
             .from(homeFollowingNewsInbox)
             .join(creator).on(creator.id.eq(homeFollowingNewsInbox.creatorId))
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(newsAudioContent).on(
                 homeFollowingNewsInbox.newsType.`in`(FollowingNewsType.AUDIO_CONTENT, FollowingNewsType.CONTENT_RANKING),
                 newsAudioContent.id.eq(homeFollowingNewsInbox.targetId)
@@ -190,11 +211,14 @@ class DefaultHomeFollowingQueryRepository(
             .map { it.get(homeFollowingNewsInbox.targetId)!! }
         val likeCounts = communityLikeCounts(communityPostIds)
         val commentCounts = communityCommentCounts(communityPostIds)
-        return rows.map { row -> row.toHomeFollowingNews(creator, newsAudioContent, newsCommunity, likeCounts, commentCounts) }
+        return rows.map { row ->
+            row.toHomeFollowingNews(creator, creatorName, newsAudioContent, newsCommunity, likeCounts, commentCounts)
+        }
     }
 
     private fun Tuple.toHomeFollowingNews(
         newsCreator: QMember,
+        creatorName: CreatorNameJoin,
         newsAudioContent: QAudioContent,
         newsCommunity: QCreatorCommunity,
         likeCounts: Map<Long, Int>,
@@ -203,12 +227,13 @@ class DefaultHomeFollowingQueryRepository(
         val type = get(homeFollowingNewsInbox.newsType)!!
         val targetId = get(homeFollowingNewsInbox.targetId)!!
         val creatorProfileImageUrl = profileImageUrl(get(newsCreator.profileImage))
-        val creatorNickname = get(newsCreator.nickname)!!
+        val creatorNickname = get(creatorName.displayName)!!
         val visibleFromAtUtc = get(homeFollowingNewsInbox.visibleFromAtUtc)!!.toUtcIso()
         val rank = get(homeFollowingNewsInbox.rank)
 
         return HomeFollowingNews(
             newsId = get(homeFollowingNewsInbox.id)!!.toString(),
+            creatorMemberId = get(newsCreator.id)!!,
             type = type,
             visibleFromAtUtc = visibleFromAtUtc,
             creatorRanking = if (type == FollowingNewsType.CREATOR_RANKING && rank != null) {
@@ -264,21 +289,24 @@ class DefaultHomeFollowingQueryRepository(
         canViewAdultContent: Boolean,
         effectiveViewerGender: Gender,
         isViewerCreator: Boolean,
-        window: ScheduleWindow
+        window: ScheduleWindow,
+        lang: Lang
     ): List<HomeFollowingSchedule> {
         val creator = QMember("scheduleLiveCreator")
+        val creatorName = CreatorNameJoin(creator, lang, "followingLiveScheduleCreatorName")
         return queryFactory
             .select(
                 liveRoom.id,
                 creator.id,
                 creator.profileImage,
-                creator.nickname,
+                creatorName.displayName,
                 liveRoom.title,
                 liveRoom.beginDateTime,
                 liveRoom.channelName
             )
             .from(liveRoom)
             .join(liveRoom.member, creator)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .join(creatorFollowing).on(creatorFollowing.creator.id.eq(creator.id))
             .where(
                 creatorFollowing.member.id.eq(memberId),
@@ -294,26 +322,29 @@ class DefaultHomeFollowingQueryRepository(
                 notBlockedCreatorCondition(memberId, creator.id)
             )
             .fetch()
-            .map { row -> row.toLiveSchedule(creator) }
+            .map { row -> row.toLiveSchedule(creator, creatorName) }
     }
 
     private fun findAudioSchedules(
         memberId: Long,
         canViewAdultContent: Boolean,
-        window: ScheduleWindow
+        window: ScheduleWindow,
+        lang: Lang
     ): List<HomeFollowingSchedule> {
         val creator = QMember("scheduleAudioCreator")
+        val creatorName = CreatorNameJoin(creator, lang, "followingAudioScheduleCreatorName")
         return queryFactory
             .select(
                 audioContent.id,
                 creator.id,
                 creator.profileImage,
-                creator.nickname,
+                creatorName.displayName,
                 audioContent.title,
                 audioContent.releaseDate
             )
             .from(audioContent)
             .join(audioContent.member, creator)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .join(creatorFollowing).on(creatorFollowing.creator.id.eq(creator.id))
             .where(
                 creatorFollowing.member.id.eq(memberId),
@@ -328,17 +359,17 @@ class DefaultHomeFollowingQueryRepository(
                 notBlockedCreatorCondition(memberId, creator.id)
             )
             .fetch()
-            .map { row -> row.toAudioSchedule(creator) }
+            .map { row -> row.toAudioSchedule(creator, creatorName) }
     }
 
-    private fun Tuple.toLiveSchedule(creator: QMember): HomeFollowingSchedule {
+    private fun Tuple.toLiveSchedule(creator: QMember, creatorName: CreatorNameJoin): HomeFollowingSchedule {
         val liveId = get(liveRoom.id)!!
         val channelName = get(liveRoom.channelName)
         return HomeFollowingSchedule(
             scheduleId = "${CreatorActivityType.LIVE}:$liveId",
             creatorId = get(creator.id)!!,
             creatorProfileImageUrl = profileImageUrl(get(creator.profileImage)),
-            creatorNickname = get(creator.nickname)!!,
+            creatorNickname = get(creatorName.displayName)!!,
             title = get(liveRoom.title)!!,
             type = CreatorActivityType.LIVE,
             targetId = liveId,
@@ -347,13 +378,13 @@ class DefaultHomeFollowingQueryRepository(
         )
     }
 
-    private fun Tuple.toAudioSchedule(creator: QMember): HomeFollowingSchedule {
+    private fun Tuple.toAudioSchedule(creator: QMember, creatorName: CreatorNameJoin): HomeFollowingSchedule {
         val contentId = get(audioContent.id)!!
         return HomeFollowingSchedule(
             scheduleId = "${CreatorActivityType.AUDIO}:$contentId",
             creatorId = get(creator.id)!!,
             creatorProfileImageUrl = profileImageUrl(get(creator.profileImage)),
-            creatorNickname = get(creator.nickname)!!,
+            creatorNickname = get(creatorName.displayName)!!,
             title = get(audioContent.title)!!,
             type = CreatorActivityType.AUDIO,
             targetId = contentId,

src/main/kotlin/kr/co/vividnext/sodalive/v2/home/following/application/HomeFollowingQueryService.kt

@@ -1,6 +1,6 @@
 package kr.co.vividnext.sodalive.v2.home.following.application
 
-import kr.co.vividnext.sodalive.i18n.LangContext
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
@@ -19,34 +19,34 @@ import java.time.LocalDateTime
 class HomeFollowingQueryService(
     private val queryPort: HomeFollowingQueryPort,
     private val memberContentPreferenceService: MemberContentPreferenceService,
-    private val langContext: LangContext,
     private val creatorCommunityTranslationService: CreatorCommunityTranslationService,
     private val nowProvider: () -> LocalDateTime = { LocalDateTime.now(Clock.systemUTC()) }
 ) {
-    fun findHomeFollowing(member: Member): HomeFollowing {
+    fun findHomeFollowing(member: Member, lang: Lang): HomeFollowing {
         val memberId = requireNotNull(member.id)
         val canViewAdultContent = memberContentPreferenceService.canViewAdultContent(member)
         val effectiveViewerGender = member.effectiveGender()
         val isViewerCreator = member.role == MemberRole.CREATOR
         val now = nowProvider()
-        val recentNews = queryPort.findRecentNews(memberId, canViewAdultContent, now, RECENT_NEWS_LIMIT)
+        val recentNews = queryPort.findRecentNews(memberId, canViewAdultContent, now, RECENT_NEWS_LIMIT, lang)
         val communityPostIds = recentNews.mapNotNull { news ->
             if (news.type == FollowingNewsType.COMMUNITY_POST) news.communityPost?.postId else null
         }
         val displayContents = if (communityPostIds.isEmpty()) {
             emptyMap()
         } else {
-            creatorCommunityTranslationService.findDisplayContents(communityPostIds, langContext.lang.code)
+            creatorCommunityTranslationService.findDisplayContents(communityPostIds, lang.code)
         }
 
         return HomeFollowing(
-            followingCreators = queryPort.findFollowingCreators(memberId, FOLLOWING_CREATORS_LIMIT),
+            followingCreators = queryPort.findFollowingCreators(memberId, FOLLOWING_CREATORS_LIMIT, lang),
             onAirLives = queryPort.findOnAirLives(
                 memberId,
                 canViewAdultContent,
                 effectiveViewerGender,
                 isViewerCreator,
-                ON_AIR_LIVES_LIMIT
+                ON_AIR_LIVES_LIMIT,
+                lang
             ),
             recentChats = emptyList(),
             monthlySchedules = queryPort.findMonthlySchedules(
@@ -55,7 +55,8 @@ class HomeFollowingQueryService(
                 effectiveViewerGender,
                 isViewerCreator,
                 now,
-                MONTHLY_SCHEDULES_LIMIT
+                MONTHLY_SCHEDULES_LIMIT,
+                lang
             ),
             recentNews = recentNews.map { news ->
                 if (news.type != FollowingNewsType.COMMUNITY_POST) return@map news

src/main/kotlin/kr/co/vividnext/sodalive/v2/home/following/domain/HomeFollowing.kt

@@ -22,7 +22,8 @@ data class HomeFollowingLive(
     val creatorProfileImageUrl: String,
     val creatorNickname: String,
     val title: String,
-    val startedAtUtc: String
+    val startedAtUtc: String,
+    val creatorMemberId: Long
 )
 
 data class HomeFollowingSchedule(
@@ -45,7 +46,8 @@ data class HomeFollowingNews(
     val audioContent: HomeFollowingContentNews? = null,
     val photoContent: HomeFollowingContentNews? = null,
     val contentRanking: HomeFollowingContentRankingNews? = null,
-    val communityPost: HomeFollowingCommunityPostNews? = null
+    val communityPost: HomeFollowingCommunityPostNews? = null,
+    val creatorMemberId: Long
 )
 
 data class HomeFollowingCreatorRankingNews(

src/main/kotlin/kr/co/vividnext/sodalive/v2/home/following/port/out/HomeFollowingQueryPort.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.home.following.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.v2.home.following.domain.HomeFollowingCreator
 import kr.co.vividnext.sodalive.v2.home.following.domain.HomeFollowingLive
@@ -8,14 +9,15 @@ import kr.co.vividnext.sodalive.v2.home.following.domain.HomeFollowingSchedule
 import java.time.LocalDateTime
 
 interface HomeFollowingQueryPort {
-    fun findFollowingCreators(memberId: Long, limit: Int): List<HomeFollowingCreator>
+    fun findFollowingCreators(memberId: Long, limit: Int, lang: Lang): List<HomeFollowingCreator>
 
     fun findOnAirLives(
         memberId: Long,
         canViewAdultContent: Boolean,
         effectiveViewerGender: Gender,
         isViewerCreator: Boolean,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingLive>
 
     fun findMonthlySchedules(
@@ -24,13 +26,15 @@ interface HomeFollowingQueryPort {
         effectiveViewerGender: Gender,
         isViewerCreator: Boolean,
         now: LocalDateTime,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingSchedule>
 
     fun findRecentNews(
         memberId: Long,
         canViewAdultContent: Boolean,
         nowUtc: LocalDateTime,
-        limit: Int
+        limit: Int,
+        lang: Lang
     ): List<HomeFollowingNews>
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/ranking/adapter/out/persistence/DefaultCreatorRankingSnapshotRepository.kt

@@ -1,5 +1,11 @@
 package kr.co.vividnext.sodalive.v2.ranking.adapter.out.persistence
 
+import com.querydsl.jpa.JPAExpressions
+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.v2.creatorname.adapter.out.persistence.CreatorNameJoin
+import kr.co.vividnext.sodalive.v2.ranking.adapter.out.persistence.QCreatorRankingSnapshot.creatorRankingSnapshot
 import kr.co.vividnext.sodalive.v2.ranking.domain.CreatorRankingType
 import kr.co.vividnext.sodalive.v2.ranking.port.out.CreatorRankingSnapshotPort
 import kr.co.vividnext.sodalive.v2.ranking.port.out.CreatorRankingSnapshotRecord
@@ -9,7 +15,8 @@ import java.time.LocalDateTime
 
 @Repository
 class DefaultCreatorRankingSnapshotRepository(
-    private val repository: CreatorRankingSnapshotRepository
+    private val repository: CreatorRankingSnapshotRepository,
+    private val queryFactory: JPAQueryFactory
 ) : CreatorRankingSnapshotPort {
     override fun findSnapshotsByAggregationPeriod(
         aggregationStartAtUtc: LocalDateTime,
@@ -31,9 +38,28 @@ class DefaultCreatorRankingSnapshotRepository(
 
     override fun findLatestVisibleSnapshots(
         rankingType: CreatorRankingType,
-        nowUtc: LocalDateTime
+        nowUtc: LocalDateTime,
+        lang: Lang
     ): List<CreatorRankingSnapshotRecord> {
-        return repository.findLatestVisibleSnapshots(rankingType.name, nowUtc).map { it.toRecord() }
+        val snapshot = creatorRankingSnapshot
+        val latest = QCreatorRankingSnapshot("latestVisibleCreatorRanking")
+        val creatorName = CreatorNameJoin(member, lang, "rankingCreatorName")
+        val displayName = creatorName.displayName.coalesce(snapshot.nickname)
+        return queryFactory
+            .select(snapshot, displayName)
+            .from(snapshot)
+            .leftJoin(member).on(member.id.eq(snapshot.creatorId))
+            .leftJoin(creatorName.name).on(creatorName.condition)
+            .where(
+                snapshot.rankingType.eq(rankingType),
+                snapshot.visibleFromAtUtc.eq(
+                    JPAExpressions.select(latest.visibleFromAtUtc.max()).from(latest)
+                        .where(latest.rankingType.eq(rankingType), latest.visibleFromAtUtc.loe(nowUtc))
+                )
+            )
+            .orderBy(snapshot.rankNo.asc())
+            .fetch()
+            .map { it.get(snapshot)!!.toRecord(it.get(displayName)!!) }
     }
 
     override fun findPreviousVisibleSnapshots(
@@ -64,14 +90,14 @@ class DefaultCreatorRankingSnapshotRepository(
         repository.saveAll(newSnapshots.map { it.toEntity(rankingType, visibleFromAtUtc) })
     }
 
-    private fun CreatorRankingSnapshot.toRecord(): CreatorRankingSnapshotRecord {
+    private fun CreatorRankingSnapshot.toRecord(displayNickname: String = nickname): CreatorRankingSnapshotRecord {
         return CreatorRankingSnapshotRecord(
             rankingType = rankingType,
             aggregationStartAtUtc = aggregationStartAtUtc,
             aggregationEndAtUtc = aggregationEndAtUtc,
             visibleFromAtUtc = visibleFromAtUtc,
             creatorId = creatorId,
-            nickname = nickname,
+            nickname = displayNickname,
             profileImageUrl = profileImageUrl,
             rankNo = rankNo,
             finalScore = finalScore,

src/main/kotlin/kr/co/vividnext/sodalive/v2/ranking/application/CreatorRankingQueryService.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.ranking.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.common.domain.toCdnUrl
 import kr.co.vividnext.sodalive.v2.ranking.domain.CreatorRankingItem
 import kr.co.vividnext.sodalive.v2.ranking.domain.CreatorRankingType
@@ -24,11 +25,11 @@ class CreatorRankingQueryService(
 ) {
     private val log = LoggerFactory.getLogger(javaClass)
 
-    fun getCreatorRankings(viewerMemberId: Long?): CreatorRankingResult {
+    fun getCreatorRankings(viewerMemberId: Long?, lang: Lang): CreatorRankingResult {
         val startedAt = System.currentTimeMillis()
         return runCatching {
             val nowUtc = nowUtc()
-            val latestSnapshots = findLatestVisibleSnapshots(nowUtc)
+            val latestSnapshots = findLatestVisibleSnapshots(nowUtc, lang)
             val latestItems = latestSnapshots.toRankedItems()
             if (latestItems.isEmpty()) {
                 return@runCatching QueryLogResult(CreatorRankingResult(showRankChange = false, items = emptyList()), 0)
@@ -69,15 +70,15 @@ class CreatorRankingQueryService(
         }.getOrThrow().result
     }
 
-    private fun findLatestVisibleSnapshots(nowUtc: LocalDateTime): List<CreatorRankingSnapshotRecord> {
+    private fun findLatestVisibleSnapshots(nowUtc: LocalDateTime, lang: Lang): List<CreatorRankingSnapshotRecord> {
-        val latestSnapshots = snapshotPort.findLatestVisibleSnapshots(CreatorRankingType.WEEKLY, nowUtc)
+        val latestSnapshots = snapshotPort.findLatestVisibleSnapshots(CreatorRankingType.WEEKLY, nowUtc, lang)
         if (latestSnapshots.isNotEmpty()) return latestSnapshots
 
         runCatching { snapshotJobService.refreshLastCompletedWeekByFallback() }
             .onFailure { ex ->
                 log.warn("event=creator_ranking_query_fallback_failure error={}", ex.message, ex)
             }
-        return snapshotPort.findLatestVisibleSnapshots(CreatorRankingType.WEEKLY, nowUtc)
+        return snapshotPort.findLatestVisibleSnapshots(CreatorRankingType.WEEKLY, nowUtc, lang)
     }
 
     private data class QueryLogResult(

src/main/kotlin/kr/co/vividnext/sodalive/v2/ranking/port/out/CreatorRankingSnapshotPort.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.ranking.port.out
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.ranking.domain.CreatorRankingType
 import java.time.LocalDateTime
 
@@ -15,7 +16,8 @@ interface CreatorRankingSnapshotPort {
 
     fun findLatestVisibleSnapshots(
         rankingType: CreatorRankingType,
-        nowUtc: LocalDateTime
+        nowUtc: LocalDateTime,
+        lang: Lang
     ): List<CreatorRankingSnapshotRecord>
 
     fun findPreviousVisibleSnapshots(

src/main/kotlin/kr/co/vividnext/sodalive/v2/recommendation/adapter/out/persistence/DefaultHomeRecommendationQueryRepository.kt

@@ -32,6 +32,7 @@ import kr.co.vividnext.sodalive.member.QMember.member
 import kr.co.vividnext.sodalive.member.block.QBlockMember
 import kr.co.vividnext.sodalive.member.following.QCreatorFollowing
 import kr.co.vividnext.sodalive.v2.common.domain.CreatorActivityType
+import kr.co.vividnext.sodalive.v2.creatorname.adapter.out.persistence.CreatorNameJoin
 import kr.co.vividnext.sodalive.v2.recommendation.domain.RecommendationScoreSpec
 import kr.co.vividnext.sodalive.v2.recommendation.domain.RecommendedSectionType
 import kr.co.vividnext.sodalive.v2.recommendation.port.out.HomeAiCharacterRecommendationRecord
@@ -62,22 +63,26 @@ class DefaultHomeRecommendationQueryRepository(
         memberId: Long?,
         includeAdultLives: Boolean,
         isViewerCreator: Boolean,
-        effectiveViewerGender: Gender?
+        effectiveViewerGender: Gender?,
+        lang: Lang
     ): List<HomeLiveRecommendationRecord> {
+        val creatorName = CreatorNameJoin(member, lang, "homeLiveCreatorName")
         return queryFactory
             .select(
                 Projections.constructor(
                     HomeLiveRecommendationRecord::class.java,
                     liveRoom.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage,
                     liveRoom.title,
                     liveRoom.price,
-                    liveRoom.beginDateTime
+                    liveRoom.beginDateTime,
+                    member.id
                 )
             )
             .from(liveRoom)
             .join(liveRoom.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 liveRoom.isActive.isTrue,
                 liveRoom.channelName.isNotNull,
@@ -138,11 +143,12 @@ class DefaultHomeRecommendationQueryRepository(
     override fun findRecentlyActiveCreators(
         limit: Int,
         memberId: Long?,
-        includeAdultActivities: Boolean
+        includeAdultActivities: Boolean,
+        lang: Lang
     ): List<RecentlyActiveCreatorRecord> {
         val sql = """
             select ranked.creator_id,
-                   ranked.creator_nickname,
+                   coalesce(creator_name.display_name, ranked.creator_nickname),
                    ranked.creator_profile_image,
                    ranked.activity_type,
                    ranked.activity_at,
@@ -200,6 +206,9 @@ class DefaultHomeRecommendationQueryRepository(
                       and m.role = 'CREATOR'
                 ) activities
             ) ranked
+            join member display_owner on display_owner.id = ranked.creator_id
+            left join creator_localized_name creator_name on creator_name.member_id = display_owner.id
+                and creator_name.lang = :lang and creator_name.is_active = true and display_owner.role = 'CREATOR'
             where ranked.creator_rank = 1
               and ${notBlockedCreatorSql("ranked.creator_id")}
             order by ranked.activity_at desc, ranked.target_sort_id desc
@@ -210,6 +219,7 @@ class DefaultHomeRecommendationQueryRepository(
             .setParameter("liveReplayTheme", LIVE_REPLAY_THEME)
             .setParameter("memberId", memberId)
             .setParameter("includeAdultActivities", includeAdultActivities)
+            .setParameter("lang", lang.name)
             .setParameter("limit", limit)
 
         @Suppress("UNCHECKED_CAST")
@@ -232,7 +242,8 @@ class DefaultHomeRecommendationQueryRepository(
         offset: Long,
         limit: Int,
         memberId: Long?,
-        includeAdultContents: Boolean
+        includeAdultContents: Boolean,
+        lang: Lang
     ): List<RecentDebutCreatorRecord> {
         val sql = """
             with creator_debut as (
@@ -328,9 +339,11 @@ class DefaultHomeRecommendationQueryRepository(
                 group by communication.creator_id
             )
             select m.id as creator_id,
-                   m.nickname as creator_nickname,
+                   coalesce(creator_name.display_name, m.nickname) as creator_nickname,
                    m.profile_image as creator_profile_image
             from member m
+            left join creator_localized_name creator_name on creator_name.member_id = m.id
+                and creator_name.lang = :lang and creator_name.is_active = true and m.role = 'CREATOR'
             join creator_debut cd on cd.creator_id = m.id
             left join follow_stats fs on fs.creator_id = m.id
             left join content_stats cs on cs.creator_id = m.id
@@ -354,6 +367,7 @@ class DefaultHomeRecommendationQueryRepository(
 
         val query = entityManager.createNativeQuery(sql)
             .setRecommendationQueryParameters(now, limit)
+            .setParameter("lang", lang.name)
             .setParameter("offset", offset)
             .setParameter("memberId", memberId)
             .setParameter("includeAdultContents", includeAdultContents)
@@ -437,7 +451,7 @@ class DefaultHomeRecommendationQueryRepository(
             )
             select ec.content_id as content_id,
                    m.id as creator_id,
-                   m.nickname as creator_nickname,
+                   coalesce(creator_name.display_name, m.nickname) as creator_nickname,
                    m.profile_image as creator_profile_image,
                    ec.title as title,
                    ec.price as price,
@@ -447,6 +461,8 @@ class DefaultHomeRecommendationQueryRepository(
                    ec.is_original_series as is_original_series
             from eligible_contents ec
             join member m on m.id = ec.creator_id
+            left join creator_localized_name creator_name on creator_name.member_id = m.id
+                and creator_name.lang = :lang and creator_name.is_active = true and m.role = 'CREATOR'
             join creator_debut cd on cd.creator_id = ec.creator_id
             where ec.active_rank = 1
               and m.is_active = true
@@ -468,6 +484,7 @@ class DefaultHomeRecommendationQueryRepository(
 
         val query = entityManager.createNativeQuery(sql)
             .setParameter("now", now)
+            .setParameter("lang", Lang.fromCode(locale).name)
             .setParameter("limit", limit)
             .setParameter("offset", offset)
             .setParameter("memberId", memberId)
@@ -832,20 +849,23 @@ class DefaultHomeRecommendationQueryRepository(
 
     override fun findCheerCreatorRecommendationDetails(
         creatorIds: List<Long>,
-        memberId: Long?
+        memberId: Long?,
+        lang: Lang
     ): List<HomeCheerCreatorRecommendationRecord> {
         if (creatorIds.isEmpty()) return emptyList()
+        val creatorName = CreatorNameJoin(member, lang, "homeCheerCreatorName")
 
         return queryFactory
             .select(
                 Projections.constructor(
                     HomeCheerCreatorRecommendationRecord::class.java,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage
                 )
             )
             .from(member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .where(
                 member.isActive.isTrue,
                 member.id.`in`(creatorIds),
@@ -859,9 +879,11 @@ class DefaultHomeRecommendationQueryRepository(
     override fun findPopularCommunityRecommendationDetails(
         communityIds: List<Long>,
         memberId: Long?,
-        includeAdultCommunities: Boolean
+        includeAdultCommunities: Boolean,
+        lang: Lang
     ): List<HomePopularCommunityRecommendationRecord> {
         if (communityIds.isEmpty()) return emptyList()
+        val creatorName = CreatorNameJoin(member, lang, "homeCommunityCreatorName")
 
         return queryFactory
             .select(
@@ -869,7 +891,7 @@ class DefaultHomeRecommendationQueryRepository(
                     HomePopularCommunityRecommendationRecord::class.java,
                     creatorCommunity.id,
                     member.id,
-                    member.nickname,
+                    creatorName.displayName,
                     member.profileImage,
                     creatorCommunity.imagePath,
                     creatorCommunity.audioPath,
@@ -884,6 +906,7 @@ class DefaultHomeRecommendationQueryRepository(
             )
             .from(creatorCommunity)
             .join(creatorCommunity.member, member)
+            .leftJoin(creatorName.name).on(creatorName.condition)
             .leftJoin(creatorCommunityLike).on(
                 creatorCommunityLike.creatorCommunity.id.eq(creatorCommunity.id),
                 creatorCommunityLike.isActive.isTrue
@@ -905,6 +928,7 @@ class DefaultHomeRecommendationQueryRepository(
                 creatorCommunity.id,
                 member.id,
                 member.nickname,
+                creatorName.name.displayName,
                 member.profileImage,
                 creatorCommunity.imagePath,
                 creatorCommunity.audioPath,
@@ -919,7 +943,8 @@ class DefaultHomeRecommendationQueryRepository(
         memberId: Long?,
         includeAdultGenres: Boolean,
         genreLimit: Int,
-        creatorLimit: Int
+        creatorLimit: Int,
+        lang: Lang
     ): List<HomeGenreCreatorRecommendationGroup> {
         val groups = mutableListOf<HomeGenreCreatorRecommendationGroup>()
         val selectedGenreIds = mutableSetOf<Long>()
@@ -931,7 +956,7 @@ class DefaultHomeRecommendationQueryRepository(
         )
 
         viewedTargets.forEach { target ->
-            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit))
+            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit, lang))
             selectedGenreIds.add(target.id)
         }
 
@@ -941,7 +966,8 @@ class DefaultHomeRecommendationQueryRepository(
             memberId = memberId,
             includeAdultGenres = includeAdultGenres,
             genreLimit = genreLimit,
-            creatorLimit = creatorLimit
+            creatorLimit = creatorLimit,
+            lang = lang
         )
 
         return groups
@@ -993,7 +1019,8 @@ class DefaultHomeRecommendationQueryRepository(
         memberId: Long?,
         includeAdultGenres: Boolean,
         genreLimit: Int,
-        creatorLimit: Int
+        creatorLimit: Int,
+        lang: Lang
     ) {
         val fullTargets = findFallbackGenreRecommendationTargets(
             memberId = memberId,
@@ -1004,7 +1031,7 @@ class DefaultHomeRecommendationQueryRepository(
         )
 
         fullTargets.forEach { target ->
-            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit))
+            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit, lang))
             selectedGenreIds.add(target.id)
         }
         val partialTargets = findFallbackGenreRecommendationTargets(
@@ -1016,7 +1043,7 @@ class DefaultHomeRecommendationQueryRepository(
         )
 
         partialTargets.forEach { target ->
-            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit))
+            groups.add(toGenreCreatorRecommendationGroup(target, memberId, includeAdultGenres, creatorLimit, lang))
             selectedGenreIds.add(target.id)
         }
     }
@@ -1099,7 +1126,8 @@ class DefaultHomeRecommendationQueryRepository(
         target: GenreRecommendationTarget,
         memberId: Long?,
         includeAdultGenres: Boolean,
-        creatorLimit: Int
+        creatorLimit: Int,
+        lang: Lang
     ): HomeGenreCreatorRecommendationGroup {
         return HomeGenreCreatorRecommendationGroup(
             genreId = target.id,
@@ -1109,7 +1137,8 @@ class DefaultHomeRecommendationQueryRepository(
                 genreId = target.id,
                 memberId = memberId,
                 includeAdultGenres = includeAdultGenres,
-                creatorLimit = creatorLimit
+                creatorLimit = creatorLimit,
+                lang = lang
             )
         )
     }
@@ -1152,11 +1181,12 @@ class DefaultHomeRecommendationQueryRepository(
         genreId: Long,
         memberId: Long?,
         includeAdultGenres: Boolean,
-        creatorLimit: Int
+        creatorLimit: Int,
+        lang: Lang
     ): List<HomeGenreCreatorRecommendationRecord> {
         val sql = """
             select candidates.creator_id,
-                   candidates.creator_nickname,
+                   coalesce(creator_name.display_name, candidates.creator_nickname),
                    candidates.creator_profile_image
             from (
                 select m.id as creator_id,
@@ -1190,12 +1220,16 @@ class DefaultHomeRecommendationQueryRepository(
                   )
                 group by m.id, m.nickname, m.profile_image
             ) candidates
+            join member display_owner on display_owner.id = candidates.creator_id
+            left join creator_localized_name creator_name on creator_name.member_id = display_owner.id
+                and creator_name.lang = :lang and creator_name.is_active = true and display_owner.role = 'CREATOR'
             order by rand() asc
             limit :creatorLimit
         """.trimIndent()
 
         val query = entityManager.createNativeQuery(sql)
             .setParameter("genreId", genreId)
+            .setParameter("lang", lang.name)
             .setParameter("memberId", memberId)
             .setParameter("includeAdultGenres", includeAdultGenres)
             .setParameter("creatorLimit", creatorLimit)

src/main/kotlin/kr/co/vividnext/sodalive/v2/recommendation/application/HomeRecommendationQueryService.kt

@@ -1,7 +1,6 @@
 package kr.co.vividnext.sodalive.v2.recommendation.application
 
 import kr.co.vividnext.sodalive.i18n.Lang
-import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.v2.common.domain.CreatorActivityType
 import kr.co.vividnext.sodalive.v2.creator.channel.community.translation.application.CreatorCommunityTranslationService
@@ -33,7 +32,6 @@ class HomeRecommendationQueryService(
     private val cheerCreatorSnapshotFallbackService: CheerCreatorSnapshotFallbackPort? = null,
     private val popularCommunitySnapshotFallbackService: PopularCommunitySnapshotFallbackPort? = null,
     private val clock: Clock = Clock.systemUTC(),
-    private val langContext: LangContext,
     private val creatorCommunityTranslationService: CreatorCommunityTranslationService
 ) {
     private val snapshotWindowPolicy = RecommendationSnapshotWindowPolicy()
@@ -44,7 +42,8 @@ class HomeRecommendationQueryService(
         memberId: Long? = null,
         includeAdultLives: Boolean = false,
         isViewerCreator: Boolean = false,
-        effectiveViewerGender: Gender? = null
+        effectiveViewerGender: Gender? = null,
+        lang: Lang
     ): List<HomeLiveRecommendationRecord> {
         return queryPort.findLiveRecommendations(
             offset,
@@ -52,7 +51,8 @@ class HomeRecommendationQueryService(
             memberId,
             includeAdultLives,
             isViewerCreator,
-            effectiveViewerGender
+            effectiveViewerGender,
+            lang
         )
     }
 
@@ -68,9 +68,10 @@ class HomeRecommendationQueryService(
     fun findRecentlyActiveCreators(
         limit: Int = DEFAULT_ACTIVE_CREATOR_LIMIT,
         memberId: Long? = null,
-        includeAdultActivities: Boolean = false
+        includeAdultActivities: Boolean = false,
+        lang: Lang
     ): List<RecentlyActiveCreatorRecord> {
-        return queryPort.findRecentlyActiveCreators(limit, memberId, includeAdultActivities)
+        return queryPort.findRecentlyActiveCreators(limit, memberId, includeAdultActivities, lang)
     }
 
     fun findRecentDebutCreators(
@@ -78,9 +79,10 @@ class HomeRecommendationQueryService(
         offset: Long = 0,
         limit: Int = DEFAULT_RECENT_DEBUT_CREATOR_LIMIT,
         memberId: Long? = null,
-        includeAdultContents: Boolean = false
+        includeAdultContents: Boolean = false,
+        lang: Lang
     ): List<RecentDebutCreatorRecord> {
-        return queryPort.findRecentDebutCreators(now, offset, limit, memberId, includeAdultContents)
+        return queryPort.findRecentDebutCreators(now, offset, limit, memberId, includeAdultContents, lang)
     }
 
     fun findFirstAudioContents(
@@ -88,9 +90,10 @@ class HomeRecommendationQueryService(
         offset: Long = 0,
         limit: Int = DEFAULT_FIRST_AUDIO_CONTENT_LIMIT,
         memberId: Long? = null,
-        includeAdultContents: Boolean = false
+        includeAdultContents: Boolean = false,
+        lang: Lang
     ): List<HomeFirstAudioContentRecord> {
-        return queryPort.findFirstAudioContents(now, offset, limit, memberId, includeAdultContents, langContext.lang.code)
+        return queryPort.findFirstAudioContents(now, offset, limit, memberId, includeAdultContents, lang.code)
     }
 
     fun findAiCharacterRecommendations(
@@ -128,10 +131,11 @@ class HomeRecommendationQueryService(
 
     fun findCheerCreatorRecommendations(
         limit: Int = DEFAULT_CHEER_CREATOR_LIMIT,
-        memberId: Long? = null
+        memberId: Long? = null,
+        lang: Lang
     ): List<HomeCheerCreatorRecommendationRecord> {
         val snapshots = findCheerCreatorSnapshotsWithFallback()
-        val detailsById = queryPort.findCheerCreatorRecommendationDetails(snapshots.map { it.targetId }, memberId)
+        val detailsById = queryPort.findCheerCreatorRecommendationDetails(snapshots.map { it.targetId }, memberId, lang)
             .associateBy { it.creatorId }
 
         return snapshots.mapNotNull { detailsById[it.targetId] }.take(limit)
@@ -155,13 +159,15 @@ class HomeRecommendationQueryService(
     fun findPopularCommunityRecommendations(
         limit: Int = DEFAULT_POPULAR_COMMUNITY_LIMIT,
         memberId: Long? = null,
-        includeAdultCommunities: Boolean = false
+        includeAdultCommunities: Boolean = false,
+        lang: Lang
     ): List<HomePopularCommunityRecommendationRecord> {
         val snapshots = findPopularCommunitySnapshotsWithFallback()
         val detailsById = queryPort.findPopularCommunityRecommendationDetails(
             snapshots.map { it.targetId },
             memberId,
-            includeAdultCommunities
+            includeAdultCommunities,
+            lang
         )
             .associateBy { it.communityId }
         val selectedCreatorIds = mutableSetOf<Long>()
@@ -173,7 +179,7 @@ class HomeRecommendationQueryService(
 
         val displayContents = creatorCommunityTranslationService.findDisplayContents(
             recommendations.map { it.communityId },
-            langContext.lang.code
+            lang.code
         )
         return recommendations.map { recommendation ->
             displayContents[recommendation.communityId]
@@ -201,13 +207,14 @@ class HomeRecommendationQueryService(
         memberId: Long?,
         includeAdultGenres: Boolean,
         genreLimit: Int = DEFAULT_GENRE_CREATOR_GENRE_LIMIT,
-        creatorLimit: Int = DEFAULT_GENRE_CREATOR_CREATOR_LIMIT
+        creatorLimit: Int = DEFAULT_GENRE_CREATOR_CREATOR_LIMIT,
+        lang: Lang
     ): List<HomeGenreCreatorRecommendationGroup> {
         val selectedCreatorIds = mutableSetOf<Long>()
         val partialFallbackGroups = mutableListOf<HomeGenreCreatorRecommendationGroup>()
         val selectedGroups = mutableListOf<HomeGenreCreatorRecommendationGroup>()
 
-        queryPort.findGenreCreatorRecommendations(memberId, includeAdultGenres, genreLimit, creatorLimit)
+        queryPort.findGenreCreatorRecommendations(memberId, includeAdultGenres, genreLimit, creatorLimit, lang)
             .forEach { group ->
                 if (selectedGroups.size >= genreLimit) return@forEach
 

src/main/kotlin/kr/co/vividnext/sodalive/v2/recommendation/port/out/HomeRecommendationQueryPort.kt

@@ -12,7 +12,8 @@ interface HomeRecommendationQueryPort {
         memberId: Long? = null,
         includeAdultLives: Boolean = false,
         isViewerCreator: Boolean = false,
-        effectiveViewerGender: Gender? = null
+        effectiveViewerGender: Gender? = null,
+        lang: Lang
     ): List<HomeLiveRecommendationRecord>
 
     fun findHomeBanners(
@@ -25,7 +26,8 @@ interface HomeRecommendationQueryPort {
     fun findRecentlyActiveCreators(
         limit: Int,
         memberId: Long? = null,
-        includeAdultActivities: Boolean = false
+        includeAdultActivities: Boolean = false,
+        lang: Lang
     ): List<RecentlyActiveCreatorRecord>
 
     fun findRecentDebutCreators(
@@ -33,7 +35,8 @@ interface HomeRecommendationQueryPort {
         offset: Long = 0,
         limit: Int,
         memberId: Long? = null,
-        includeAdultContents: Boolean = false
+        includeAdultContents: Boolean = false,
+        lang: Lang
     ): List<RecentDebutCreatorRecord>
 
     fun findFirstAudioContents(
@@ -72,20 +75,23 @@ interface HomeRecommendationQueryPort {
 
     fun findCheerCreatorRecommendationDetails(
         creatorIds: List<Long>,
-        memberId: Long? = null
+        memberId: Long? = null,
+        lang: Lang
     ): List<HomeCheerCreatorRecommendationRecord>
 
     fun findPopularCommunityRecommendationDetails(
         communityIds: List<Long>,
         memberId: Long? = null,
-        includeAdultCommunities: Boolean
+        includeAdultCommunities: Boolean,
+        lang: Lang
     ): List<HomePopularCommunityRecommendationRecord>
 
     fun findGenreCreatorRecommendations(
         memberId: Long?,
         includeAdultGenres: Boolean,
         genreLimit: Int,
-        creatorLimit: Int
+        creatorLimit: Int,
+        lang: Lang
     ): List<HomeGenreCreatorRecommendationGroup>
 }
 
@@ -95,7 +101,8 @@ data class HomeLiveRecommendationRecord(
     val creatorProfileImage: String?,
     val title: String,
     val price: Int,
-    val beginDateTime: LocalDateTime
+    val beginDateTime: LocalDateTime,
+    val creatorMemberId: Long
 )
 
 data class HomeBannerRecommendationRecord(

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/dto/UserCreatorChatMessageRow.kt

@@ -0,0 +1,17 @@
+package kr.co.vividnext.sodalive.v2.usercreatorchat.dto
+
+import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatMessageType
+import java.time.LocalDateTime
+
+data class UserCreatorChatMessageRow(
+    val messageId: Long,
+    val messageType: UserCreatorChatMessageType,
+    val createdAt: LocalDateTime?,
+    val textMessage: String?,
+    val voiceMessage: String?,
+    val senderId: Long,
+    val senderNickname: String,
+    val senderProfileImage: String?
+)
+
+data class UserCreatorChatOpponentProfile(val nickname: String, val profileImage: String?)

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/repository/UserCreatorChatMessageRepository.kt

@@ -1,23 +1,43 @@
 package kr.co.vividnext.sodalive.v2.usercreatorchat.repository
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatMessage
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatRoom
+import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatMessageRow
 import org.springframework.data.domain.Pageable
 import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.data.jpa.repository.Query
+import org.springframework.data.repository.query.Param
 import org.springframework.stereotype.Repository
 
 @Repository
 interface UserCreatorChatMessageRepository : JpaRepository<UserCreatorChatMessage, Long> {
-    fun findByChatRoomAndIsActiveTrueOrderByIdDesc(
+    @Query(
-        chatRoom: UserCreatorChatRoom,
+        """
+        select new kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatMessageRow(
+            m.id, m.messageType, m.createdAt, m.textMessage, m.voiceMessage,
+            sender.id, coalesce(senderName.displayName, sender.nickname), sender.profileImage
+        )
+        from UserCreatorChatMessage m
+        join m.participant participant
+        join participant.member sender
+        left join CreatorLocalizedNameEntity senderName
+          on senderName.memberId = sender.id
+          and senderName.lang = :lang
+          and senderName.isActive = true
+          and sender.role = kr.co.vividnext.sodalive.member.MemberRole.CREATOR
+        where m.chatRoom = :chatRoom
+          and m.isActive = true
+          and (:cursor is null or m.id < :cursor)
+        order by m.id desc
+        """
+    )
+    fun findMessageHistory(
+        @Param("chatRoom") chatRoom: UserCreatorChatRoom,
+        @Param("cursor") cursor: Long?,
+        @Param("lang") lang: Lang,
         pageable: Pageable
-    ): List<UserCreatorChatMessage>
+    ): List<UserCreatorChatMessageRow>
-
-    fun findByChatRoomAndIdLessThanAndIsActiveTrueOrderByIdDesc(
-        chatRoom: UserCreatorChatRoom,
-        id: Long,
-        pageable: Pageable
-    ): List<UserCreatorChatMessage>
 
     fun existsByChatRoomAndIsActiveTrueAndIdLessThan(chatRoom: UserCreatorChatRoom, id: Long): Boolean
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/repository/UserCreatorChatParticipantRepository.kt

@@ -1,6 +1,8 @@
 package kr.co.vividnext.sodalive.v2.usercreatorchat.repository
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatParticipant
+import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatOpponentProfile
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.data.jpa.repository.Query
 import org.springframework.data.repository.query.Param
@@ -33,4 +35,27 @@ interface UserCreatorChatParticipantRepository : JpaRepository<UserCreatorChatPa
         @Param("roomId") roomId: Long,
         @Param("memberId") memberId: Long
     ): UserCreatorChatParticipant?
+
+    @Query(
+        """
+        select new kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatOpponentProfile(
+            coalesce(opponentName.displayName, opponent.nickname), opponent.profileImage
+        )
+        from UserCreatorChatParticipant p
+        join p.member opponent
+        left join CreatorLocalizedNameEntity opponentName
+          on opponentName.memberId = opponent.id
+          and opponentName.lang = :lang
+          and opponentName.isActive = true
+          and opponent.role = kr.co.vividnext.sodalive.member.MemberRole.CREATOR
+        where p.isActive = true
+          and p.chatRoom.id = :roomId
+          and opponent.id <> :memberId
+        """
+    )
+    fun findActiveOpponentProfile(
+        @Param("roomId") roomId: Long,
+        @Param("memberId") memberId: Long,
+        @Param("lang") lang: Lang
+    ): UserCreatorChatOpponentProfile?
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/repository/UserCreatorChatRoomRepository.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.usercreatorchat.repository
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.chat.dto.ChatRoomListQueryDto
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatRoom
 import org.springframework.data.domain.Pageable
@@ -41,7 +42,7 @@ interface UserCreatorChatRoomRepository : JpaRepository<UserCreatorChatRoom, Lon
         select new kr.co.vividnext.sodalive.v2.chat.dto.ChatRoomListQueryDto(
             r.id,
             'DM',
-            opponent.member.nickname,
+            coalesce(opponentName.displayName, opponentMember.nickname),
             opponent.member.profileImage,
             m.textMessage,
             str(m.messageType),
@@ -51,6 +52,12 @@ interface UserCreatorChatRoomRepository : JpaRepository<UserCreatorChatRoom, Lon
         join r.participants mine
         join r.participants opponent
         join r.messages m
+        join opponent.member opponentMember
+        left join CreatorLocalizedNameEntity opponentName
+          on opponentName.memberId = opponentMember.id
+          and opponentName.lang = :lang
+          and opponentName.isActive = true
+          and opponentMember.role = kr.co.vividnext.sodalive.member.MemberRole.CREATOR
         where r.isActive = true
           and mine.isActive = true
           and mine.member.id = :memberId
@@ -90,6 +97,7 @@ interface UserCreatorChatRoomRepository : JpaRepository<UserCreatorChatRoom, Lon
         @Param("cursorChatType") cursorChatType: String?,
         @Param("cursorRoomId") cursorRoomId: Long?,
         @Param("followedCreatorsOnly") followedCreatorsOnly: Boolean,
+        @Param("lang") lang: Lang,
         pageable: Pageable
     ): List<ChatRoomListQueryDto>
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/service/UserCreatorChatService.kt

@@ -8,11 +8,14 @@ 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.member.Member
 import kr.co.vividnext.sodalive.member.MemberKind
 import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.block.BlockMemberRepository
 import kr.co.vividnext.sodalive.utils.generateFileName
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatMessage
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatMessageType
 import kr.co.vividnext.sodalive.v2.usercreatorchat.UserCreatorChatParticipant
@@ -21,6 +24,7 @@ import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.CreateUserCreatorChatRoom
 import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.SendUserCreatorChatMessageResponse
 import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.SendUserCreatorVoiceMessageRequest
 import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatMessageItemDto
+import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatMessageRow
 import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatMessagesPageResponse
 import kr.co.vividnext.sodalive.v2.usercreatorchat.dto.UserCreatorChatRoomOpenResponse
 import kr.co.vividnext.sodalive.v2.usercreatorchat.repository.UserCreatorChatMessageRepository
@@ -52,6 +56,8 @@ class UserCreatorChatService(
     private val applicationEventPublisher: ApplicationEventPublisher,
     private val objectMapper: ObjectMapper,
     private val s3Uploader: S3Uploader,
+    private val localizedNameService: CreatorLocalizedNameService,
+    private val langContext: LangContext,
 
     @Value("\${cloud.aws.s3.bucket}")
     private val bucket: String,
@@ -80,7 +86,7 @@ class UserCreatorChatService(
     fun openRoom(member: Member, roomId: Long, limit: Int = 20): UserCreatorChatRoomOpenResponse {
         val room = findRoom(roomId)
         requireParticipant(roomId, member.id!!)
-        val opponent = participantRepository.findActiveOpponent(roomId, member.id!!)?.member
+        val opponent = participantRepository.findActiveOpponentProfile(roomId, member.id!!, langContext.lang)
             ?: throw SodaException(messageKey = "chat.room.invalid_access")
         val opponentProfilePath = opponent.profileImage ?: "profile/default-profile.png"
         val page = getMessages(member, roomId, cursor = null, limit = limit)
@@ -98,12 +104,8 @@ class UserCreatorChatService(
         val room = findRoom(roomId)
         requireParticipant(roomId, member.id!!)
         val pageable = PageRequest.of(0, limit.coerceIn(1, 100))
-        val fetched = if (cursor != null) {
+        val fetched = messageRepository.findMessageHistory(room, cursor, langContext.lang, pageable)
-            messageRepository.findByChatRoomAndIdLessThanAndIsActiveTrueOrderByIdDesc(room, cursor, pageable)
+        val nextCursor = fetched.minOfOrNull { it.messageId }
-        } else {
-            messageRepository.findByChatRoomAndIsActiveTrueOrderByIdDesc(room, pageable)
-        }
-        val nextCursor = fetched.minByOrNull { it.id ?: Long.MAX_VALUE }?.id
         val hasMore = nextCursor?.let { messageRepository.existsByChatRoomAndIsActiveTrueAndIdLessThan(room, it) } ?: false
         return UserCreatorChatMessagesPageResponse(
             messages = fetched.sortedBy { it.createdAt }.map { toMessageItemDto(it, member) },
@@ -113,19 +115,25 @@ class UserCreatorChatService(
     }
 
     @Transactional
-    fun sendTextMessageByWebSocket(memberId: Long, roomId: Long, textMessage: String): UserCreatorChatMessageItemDto {
+    fun sendTextMessageByWebSocket(
+        memberId: Long,
+        roomId: Long,
+        textMessage: String,
+        lang: Lang
+    ): UserCreatorChatMessageItemDto {
         if (textMessage.isBlank()) throw SodaException(messageKey = "common.error.invalid_request")
         val senderParticipant = validateParticipant(roomId, memberId)
         val sender = senderParticipant.member
         val context = resolveSendContext(sender, roomId)
         val message = saveTextMessage(context, textMessage)
         val senderMessage = toMessageItemDto(message, sender)
+        val names = localizedNameService.findLocalizedNames(listOf(sender.id!!), lang)
         val opponent = context.opponentParticipant.member
         val deliveredRealtime = deliverRealtime(message, opponent)
         if (!deliveredRealtime) {
             publishMessagePush(message, sender, opponent)
         }
-        return senderMessage
+        return senderMessage.copy(senderNickname = names[sender.id] ?: senderMessage.senderNickname)
     }
 
     @Transactional
@@ -185,7 +193,9 @@ class UserCreatorChatService(
         opponentParticipant: UserCreatorChatParticipant
     ): SendUserCreatorChatMessageResponse {
         val opponent = opponentParticipant.member
-        val item = toMessageItemDto(message, member)
+        val neutralItem = toMessageItemDto(message, member)
+        val names = localizedNameService.findLocalizedNames(listOf(neutralItem.senderId), langContext.lang)
+        val item = neutralItem.copy(senderNickname = names[neutralItem.senderId] ?: neutralItem.senderNickname)
         val deliveredRealtime = deliverRealtime(message, opponent)
         if (deliveredRealtime) {
             return SendUserCreatorChatMessageResponse(message = item, deliveredRealtime = true, pushSent = false)
@@ -239,6 +249,7 @@ class UserCreatorChatService(
                 messageKey = messageKey,
                 senderMemberId = sender.id,
                 args = listOf(sender.nickname),
+                nameArgumentMemberIds = mapOf(0 to sender.id!!),
                 recipients = listOf(opponent.id!!),
                 deepLinkValue = FcmDeepLinkValue.CHAT,
                 deepLinkId = message.chatRoom.id
@@ -298,6 +309,21 @@ class UserCreatorChatService(
         )
     }
 
+    private fun toMessageItemDto(message: UserCreatorChatMessageRow, member: Member): UserCreatorChatMessageItemDto {
+        val profilePath = message.senderProfileImage ?: "profile/default-profile.png"
+        return UserCreatorChatMessageItemDto(
+            messageId = message.messageId,
+            messageType = message.messageType.name,
+            mine = message.senderId == member.id,
+            createdAt = message.createdAt?.atZone(ZoneId.systemDefault())?.toInstant()?.toEpochMilli() ?: 0L,
+            textMessage = message.textMessage,
+            voiceMessageUrl = message.voiceMessage?.let { "$cloudFrontHost/$it" },
+            senderId = message.senderId,
+            senderNickname = message.senderNickname,
+            senderProfileImageUrl = "$cloudFrontHost/$profilePath"
+        )
+    }
+
     private data class SendContext(
         val room: UserCreatorChatRoom,
         val senderParticipant: UserCreatorChatParticipant,

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/websocket/UserCreatorChatRoomMessageBroker.kt

@@ -1,6 +1,9 @@
 package kr.co.vividnext.sodalive.v2.usercreatorchat.websocket
 
 import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.node.ObjectNode
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.v2.creatorname.application.CreatorLocalizedNameService
 import org.springframework.data.redis.connection.Message
 import org.springframework.data.redis.connection.MessageListener
 import org.springframework.data.redis.core.StringRedisTemplate
@@ -16,7 +19,8 @@ class UserCreatorChatRoomMessageBroker(
     private val stringRedisTemplate: StringRedisTemplate,
     private val sessionRegistry: UserCreatorChatWebSocketSessionRegistry,
     private val objectMapper: ObjectMapper,
-    listenerContainer: RedisMessageListenerContainer
+    listenerContainer: RedisMessageListenerContainer,
+    private val localizedNameService: CreatorLocalizedNameService
 ) : MessageListener {
     init {
         listenerContainer.addMessageListener(this, ChannelTopic(ROOM_CHANNEL))
@@ -36,9 +40,25 @@ class UserCreatorChatRoomMessageBroker(
             String(message.body, StandardCharsets.UTF_8),
             UserCreatorChatRoomPublishedMessage::class.java
         )
-        sessionRegistry.findSessions(published.roomId, published.memberId)
+        val envelope = objectMapper.readTree(published.payload)
+        val senderId = envelope.path("payload").path("senderId").takeIf { it.isIntegralNumber }?.asLong()
+        val sessions = sessionRegistry.findSessions(published.roomId, published.memberId)
             .filter { session -> session.isOpen }
-            .forEach { session -> sendMessage(session, published.payload) }
+        sessions.groupBy { it.attributes[UserCreatorChatWebSocketAuthInterceptor.LANG_ATTRIBUTE] as? Lang ?: Lang.KO }
+            .forEach { (lang, languageSessions) ->
+                val names = localizedNameService.findLocalizedNames(listOfNotNull(senderId), lang)
+                val nickname = senderId?.let { names[it] }
+                languageSessions.forEach { session ->
+                    val payload = if (nickname != null) {
+                        val localized = envelope.deepCopy<ObjectNode>()
+                        (localized["payload"] as ObjectNode).put("senderNickname", nickname)
+                        objectMapper.writeValueAsString(localized)
+                    } else {
+                        published.payload
+                    }
+                    sendMessage(session, payload)
+                }
+            }
     }
 
     private fun sendMessage(session: WebSocketSession, payload: String) {

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/websocket/UserCreatorChatWebSocketAuthInterceptor.kt

@@ -1,8 +1,10 @@
 package kr.co.vividnext.sodalive.v2.usercreatorchat.websocket
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.jwt.JwtFilter
 import kr.co.vividnext.sodalive.jwt.TokenProvider
 import kr.co.vividnext.sodalive.member.MemberAdapter
+import org.springframework.http.HttpHeaders
 import org.springframework.http.server.ServerHttpRequest
 import org.springframework.http.server.ServerHttpResponse
 import org.springframework.stereotype.Component
@@ -35,6 +37,7 @@ class UserCreatorChatWebSocketAuthInterceptor(
 
         attributes[MEMBER_ID_ATTRIBUTE] = memberId
         attributes[AUTHENTICATION_ATTRIBUTE] = authentication
+        attributes[LANG_ATTRIBUTE] = Lang.fromAcceptLanguage(request.headers.getFirst(HttpHeaders.ACCEPT_LANGUAGE))
         return true
     }
 
@@ -58,6 +61,7 @@ class UserCreatorChatWebSocketAuthInterceptor(
     companion object {
         const val MEMBER_ID_ATTRIBUTE = "memberId"
         const val AUTHENTICATION_ATTRIBUTE = "authentication"
+        const val LANG_ATTRIBUTE = "lang"
         private const val BEARER_PREFIX = "Bearer "
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/usercreatorchat/websocket/UserCreatorChatWebSocketHandler.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.usercreatorchat.websocket
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.usercreatorchat.service.UserCreatorChatService
 import org.springframework.stereotype.Component
 import org.springframework.web.socket.CloseStatus
@@ -60,7 +61,8 @@ class UserCreatorChatWebSocketHandler(
             val message = service.sendTextMessageByWebSocket(
                 memberId = memberId(session),
                 roomId = request.roomId,
-                textMessage = textMessage
+                textMessage = textMessage,
+                lang = session.attributes[UserCreatorChatWebSocketAuthInterceptor.LANG_ATTRIBUTE] as? Lang ?: Lang.KO
             )
             sendEnvelope(session, UserCreatorChatWebSocketMessageType.SEND_ACK, request.requestId, request.roomId, message)
         } catch (e: SodaException) {

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/adapter/in/web/MainContentAllControllerTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.content.all.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.CountryContext
 import kr.co.vividnext.sodalive.configs.SecurityConfig
+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.jwt.JwtAccessDeniedHandler
@@ -14,6 +15,7 @@ import kr.co.vividnext.sodalive.v2.api.content.all.application.MainContentAllFac
 import kr.co.vividnext.sodalive.v2.api.content.all.dto.MainContentAllTabResponse
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
 import kr.co.vividnext.sodalive.v2.content.all.domain.MainContentAllType
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -41,6 +43,11 @@ class MainContentAllControllerTest @Autowired constructor(
     @MockBean
     private lateinit var langContext: LangContext
 
+    @BeforeEach
+    fun setUpLanguage() {
+        Mockito.`when`(langContext.lang).thenReturn(Lang.KO)
+    }
+
     @MockBean
     private lateinit var sodaMessageSource: SodaMessageSource
 
@@ -57,7 +64,7 @@ class MainContentAllControllerTest @Autowired constructor(
     @DisplayName("전체 탭 조회는 비회원에게 200 OK와 기본 응답을 반환한다")
     fun shouldAllowAnonymousAndUseDefaultType() {
         Mockito.doReturn(response(MainContentAllType.AUDIO, ContentSort.LATEST)).`when`(facade)
-            .getContents(null, null, null, null, null, null)
+            .getContents(null, null, null, null, null, null, Lang.KO)
 
         mockMvc.perform(get("/api/v2/audio/contents"))
             .andExpect(status().isOk)
@@ -76,7 +83,7 @@ class MainContentAllControllerTest @Autowired constructor(
             role = MemberRole.USER
         ).apply { id = 10L }
         Mockito.doReturn(response(MainContentAllType.SERIES, ContentSort.POPULAR)).`when`(facade)
-            .getContents("SERIES", "POPULAR", "MON", 1, 30, member)
+            .getContents("SERIES", "POPULAR", "MON", 1, 30, member, Lang.KO)
 
         mockMvc.perform(
             get("/api/v2/audio/contents")
@@ -92,7 +99,7 @@ class MainContentAllControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.type").value("SERIES"))
             .andExpect(jsonPath("$.data.sort").value("POPULAR"))
 
-        Mockito.verify(facade).getContents("SERIES", "POPULAR", "MON", 1, 30, member)
+        Mockito.verify(facade).getContents("SERIES", "POPULAR", "MON", 1, 30, member, Lang.KO)
     }
 
     private fun response(type: MainContentAllType, sort: ContentSort): MainContentAllTabResponse {

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/adapter/in/web/MainContentAllEndToEndTest.kt

@@ -10,12 +10,16 @@ import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesPublishedDays
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.hamcrest.Matchers.contains
 import org.hamcrest.Matchers.nullValue
+import org.hibernate.SessionFactory
+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.web.servlet.AutoConfigureMockMvc
 import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.jdbc.core.JdbcTemplate
 import org.springframework.test.annotation.DirtiesContext
 import org.springframework.test.context.ContextConfiguration
 import org.springframework.test.web.servlet.MockMvc
@@ -30,6 +34,7 @@ import javax.persistence.EntityManager
     properties = [
         "cloud.aws.cloud-front.host=https://cdn.test",
         "spring.cache.type=none",
+        "spring.jpa.properties.hibernate.generate_statistics=true",
         "spring.datasource.url=jdbc:h2:mem:main-content-all-e2e;MODE=MySQL;NON_KEYWORDS=VALUE;DB_CLOSE_ON_EXIT=FALSE"
     ]
 )
@@ -39,8 +44,107 @@ import javax.persistence.EntityManager
 class MainContentAllEndToEndTest @Autowired constructor(
     private val mockMvc: MockMvc,
     private val entityManager: EntityManager,
-    private val transactionTemplate: TransactionTemplate
+    private val transactionTemplate: TransactionTemplate,
+    private val jdbcTemplate: JdbcTemplate
 ) {
+    @Test
+    @DisplayName("전체 콘텐츠 API는 JA 별칭을 우선하고 KO 별칭 미등록 시 일본어 원본을, 별칭 없는 작성자는 현재 원본을 반환한다")
+    fun shouldSelectLocalizedCreatorNamesWithoutChangingAudioTitles() {
+        transactionTemplate.executeWithoutResult { saveMember("main-all-resource-id-control", MemberRole.USER) }
+        val localized = createAudioFixture("main-all-localized")
+        val fallback = createAudioFixture("main-all-fallback")
+        transactionTemplate.executeWithoutResult {
+            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)
+                """.trimIndent(),
+                localized.creatorId,
+                "日本語クリエイター"
+            )
+            entityManager.find(Member::class.java, localized.creatorId).nickname = "改名さくら"
+        }
+
+        mockMvc.perform(get("/api/v2/audio/contents").param("type", "AUDIO").header("Accept-Language", "ko"))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(2))
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${localized.audioContentId})].creatorNickname")
+                    .value(contains("改名さくら"))
+            )
+
+        val statistics = entityManager.entityManagerFactory.unwrap(SessionFactory::class.java).statistics
+        statistics.clear()
+        mockMvc.perform(get("/api/v2/audio/contents").param("type", "AUDIO").header("Accept-Language", "ja"))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(2))
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${localized.audioContentId})].creatorNickname")
+                    .value(contains("日本語クリエイター"))
+            )
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${fallback.audioContentId})].creatorNickname")
+                    .value(contains("main-all-fallback-creator"))
+            )
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${localized.audioContentId})].title")
+                    .value(contains("main-all-localized-audio"))
+            )
+            .andExpect(jsonPath("$.data.audios[0].creatorId").doesNotExist())
+            .andExpect(jsonPath("$.data.audios[0].creatorMemberId").doesNotExist())
+
+        val aliasQueries = statistics.queries.filter {
+            Regex("""(?is)^select\s+\w+\.memberId,\s*\w+\.displayName\s+from\s+CreatorLocalizedNameEntity\b""")
+                .containsMatchIn(it)
+        }
+        val aliasQueryCount = aliasQueries.sumOf { statistics.getQueryStatistics(it).executionCount }
+        assertEquals(
+            0L,
+            aliasQueryCount,
+            "Standalone alias SELECTs (total queries=${statistics.queryExecutionCount}): $aliasQueries"
+        )
+    }
+
+    @Test
+    @DisplayName("영어 활성 이름도 JOIN으로 읽으며 비활성 이름은 원본으로 fallback하고 인기순 집계를 유지한다")
+    fun shouldReadActiveEnglishCreatorNameAndFallbackWhenInactive() {
+        val active = createAudioFixture("main-all-english-active")
+        val inactive = createAudioFixture("main-all-english-inactive")
+        transactionTemplate.executeWithoutResult {
+            listOf(Triple(active.creatorId, "English creator", true), Triple(inactive.creatorId, "Inactive name", false))
+                .forEach { (creatorId, name, isActive) ->
+                    jdbcTemplate.update(
+                        """
+                        insert into creator_localized_name (member_id, lang, display_name, is_active, created_at, updated_at)
+                        values (?, 'EN', ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
+                        """.trimIndent(),
+                        creatorId,
+                        name,
+                        isActive
+                    )
+                }
+        }
+
+        mockMvc.perform(
+            get("/api/v2/audio/contents").param("type", "AUDIO").param("sort", "POPULAR").header("Accept-Language", "en")
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(2))
+            .andExpect(jsonPath("$.data.audios.length()").value(2))
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${active.audioContentId})].creatorNickname")
+                    .value(contains("English creator"))
+            )
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${inactive.audioContentId})].creatorNickname")
+                    .value(contains("main-all-english-inactive-creator"))
+            )
+            .andExpect(
+                jsonPath("$.data.audios[?(@.audioContentId == ${active.audioContentId})].title")
+                    .value(contains("main-all-english-active-audio"))
+            )
+    }
+
     @Test
     @DisplayName("전체 탭 AUDIO API는 controller-service-repository를 거쳐 오디오 응답과 빈 series를 반환한다")
     fun shouldReturnAudioContentsThroughControllerServiceAndRepository() {
@@ -196,7 +300,7 @@ class MainContentAllEndToEndTest @Autowired constructor(
             entityManager.flush()
             entityManager.clear()
 
-            AudioFixture(audioContentId = audio.id!!)
+            AudioFixture(audioContentId = audio.id!!, creatorId = creator.id!!)
         }!!
     }
 
@@ -308,7 +412,8 @@ class MainContentAllEndToEndTest @Autowired constructor(
     }
 
     private data class AudioFixture(
-        val audioContentId: Long
+        val audioContentId: Long,
+        val creatorId: Long
     )
 
     private data class SeriesFixture(

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/application/MainContentAllFacadeTest.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.all.application
 
+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.v2.common.domain.ContentSort
@@ -36,7 +37,7 @@ class MainContentAllFacadeTest {
                 page = MainContentPage(1, 30),
                 hasNext = false
             )
-        ).`when`(queryService).getContents("FREE", "PRICE_LOW", "MON", 1, 30, member)
+        ).`when`(queryService).getContents("FREE", "PRICE_LOW", "MON", 1, 30, member, Lang.KO)
 
         val response = facade.getContents(
             type = "FREE",
@@ -44,10 +45,11 @@ class MainContentAllFacadeTest {
             dayOfWeek = "MON",
             page = 1,
             size = 30,
-            member = member
+            member = member,
+            lang = Lang.KO
         )
 
-        Mockito.verify(queryService).getContents("FREE", "PRICE_LOW", "MON", 1, 30, member)
+        Mockito.verify(queryService).getContents("FREE", "PRICE_LOW", "MON", 1, 30, member, Lang.KO)
         assertEquals(MainContentAllType.FREE, response.type)
         assertEquals(ContentSort.PRICE_LOW, response.sort)
     }

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/all/dto/MainContentAllTabResponseTest.kt

@@ -27,6 +27,7 @@ class MainContentAllTabResponseTest {
                 audios = emptyList(),
                 series = listOf(
                     MainContentAllSeries(
+                        creatorMemberId = 100L,
                         seriesId = 10L,
                         title = "시리즈",
                         coverImageUrl = "https://cdn/series.jpg",
@@ -58,6 +59,7 @@ class MainContentAllTabResponseTest {
                 totalCount = 1,
                 audios = listOf(
                     MainContentAllAudio(
+                        creatorMemberId = 100L,
                         audioContentId = 1L,
                         title = "audio",
                         imageUrl = "https://cdn/audio.jpg",
@@ -69,6 +71,7 @@ class MainContentAllTabResponseTest {
                         creatorNickname = "creator"
                     ),
                     MainContentAllAudio(
+                        creatorMemberId = 100L,
                         audioContentId = 2L,
                         title = "free audio",
                         imageUrl = "https://cdn/free-audio.jpg",
@@ -80,6 +83,7 @@ class MainContentAllTabResponseTest {
                         creatorNickname = "creator"
                     ),
                     MainContentAllAudio(
+                        creatorMemberId = 100L,
                         audioContentId = 3L,
                         title = "point unavailable audio",
                         imageUrl = "https://cdn/point-unavailable-audio.jpg",

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/overview/adapter/in/web/ContentOverviewControllerTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.content.overview.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.CountryContext
 import kr.co.vividnext.sodalive.configs.SecurityConfig
+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.jwt.JwtAccessDeniedHandler
@@ -13,6 +14,7 @@ import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.api.content.overview.application.ContentOverviewFacade
 import kr.co.vividnext.sodalive.v2.api.content.overview.dto.ContentOverviewPageResponse
 import kr.co.vividnext.sodalive.v2.api.content.overview.dto.ContentOverviewType
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -41,6 +43,11 @@ class ContentOverviewControllerTest @Autowired constructor(
     @MockBean
     private lateinit var langContext: LangContext
 
+    @BeforeEach
+    fun setUpLanguage() {
+        Mockito.`when`(langContext.lang).thenReturn(Lang.KO)
+    }
+
     @MockBean
     private lateinit var sodaMessageSource: SodaMessageSource
 
@@ -62,7 +69,7 @@ class ContentOverviewControllerTest @Autowired constructor(
     fun shouldPassAuthenticatedMemberAndQueryParameters() {
         val member = member(id = 10L)
         Mockito.doReturn(emptyResponse(ContentOverviewType.FIRST_AUDIO_CONTENT)).`when`(facade)
-            .getContents(eqValue("FIRST_AUDIO_CONTENT"), eqValue(1), eqValue(30), eqValue(member))
+            .getContents(eqValue("FIRST_AUDIO_CONTENT"), eqValue(1), eqValue(30), eqValue(member), eqValue(Lang.KO))
 
         mockMvc.perform(
             get("/api/v2/contents")
@@ -75,7 +82,8 @@ class ContentOverviewControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.success").value(true))
             .andExpect(jsonPath("$.data.type").value("FIRST_AUDIO_CONTENT"))
 
-        Mockito.verify(facade).getContents(eqValue("FIRST_AUDIO_CONTENT"), eqValue(1), eqValue(30), eqValue(member))
+        Mockito.verify(facade)
+            .getContents(eqValue("FIRST_AUDIO_CONTENT"), eqValue(1), eqValue(30), eqValue(member), eqValue(Lang.KO))
     }
 
     private fun <T> eqValue(value: T): T {

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/overview/application/ContentOverviewFacadeTest.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.overview.application
 
+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.contentpreference.MemberContentPreferenceService
@@ -31,9 +32,9 @@ class ContentOverviewFacadeTest {
     fun shouldReturnNewAndHotPage() {
         val member = member(id = 10L)
         Mockito.doReturn((1L..21L).map { audioCard(it) }).`when`(audioRecommendationQueryService)
-            .findNewAndHotAudios(member, offset = 0L, limit = 21)
+            .findNewAndHotAudios(member, offset = 0L, limit = 21, lang = Lang.KO)
 
-        val response = facade.getContents("NEW_AND_HOT_AUDIO", page = 0, size = 20, member = member)
+        val response = facade.getContents("NEW_AND_HOT_AUDIO", page = 0, size = 20, member = member, lang = Lang.KO)
 
         assertEquals(ContentOverviewType.NEW_AND_HOT_AUDIO, response.type)
         assertEquals((1L..20L).toList(), response.items.map { it.contentId })
@@ -54,10 +55,11 @@ class ContentOverviewFacadeTest {
                 eqValue(20L),
                 eqValue(21),
                 eqValue(member.id),
-                eqValue(true)
+                eqValue(true),
+                eqValue(Lang.KO)
             )
 
-        val response = facade.getContents("FIRST_AUDIO_CONTENT", page = 1, size = 20, member = member)
+        val response = facade.getContents("FIRST_AUDIO_CONTENT", page = 1, size = 20, member = member, lang = Lang.KO)
 
         assertEquals(ContentOverviewType.FIRST_AUDIO_CONTENT, response.type)
         assertEquals(listOf(1L, 2L), response.items.map { it.contentId })
@@ -79,6 +81,7 @@ class ContentOverviewFacadeTest {
 
     private fun audioCard(id: Long): AudioCard {
         return AudioCard(
+            creatorMemberId = id + 100L,
             audioContentId = id,
             title = "audio$id",
             duration = "00:01",

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/overview/dto/ContentOverviewPageResponseTest.kt

@@ -120,6 +120,7 @@ class ContentOverviewPageResponseTest {
 
     private fun audioCard(price: Int, isPointAvailable: Boolean): AudioCard {
         return AudioCard(
+            creatorMemberId = 10L,
             audioContentId = price.toLong() + 1,
             title = "audio",
             duration = "00:01",

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/ranking/application/AudioRankingFacadeTest.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.api.content.ranking.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.v2.content.ranking.application.AudioRankingQueryService
 import kr.co.vividnext.sodalive.v2.content.ranking.domain.AudioRanking
@@ -23,6 +24,7 @@ class AudioRankingFacadeTest {
             type = AudioRankingType.RISING,
             items = listOf(
                 AudioRankingItem(
+                    creatorMemberId = 10L,
                     contentId = 1L,
                     title = "audio",
                     creatorNickname = "creator",
@@ -33,11 +35,11 @@ class AudioRankingFacadeTest {
                 )
             )
         )
-        Mockito.doReturn(ranking).`when`(queryService).getRankings(AudioRankingType.RISING, member)
+        Mockito.doReturn(ranking).`when`(queryService).getRankings(AudioRankingType.RISING, member, Lang.KO)
 
-        val response = facade.getRankings(AudioRankingType.RISING, member)
+        val response = facade.getRankings(AudioRankingType.RISING, member, Lang.KO)
 
-        Mockito.verify(queryService).getRankings(AudioRankingType.RISING, member)
+        Mockito.verify(queryService).getRankings(AudioRankingType.RISING, member, Lang.KO)
         assertEquals(true, response.showRankChange)
         assertEquals(AudioRankingType.RISING, response.type)
         assertEquals(1, response.items.size)

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/ranking/dto/AudioRankingResponseTest.kt

@@ -19,6 +19,7 @@ class AudioRankingResponseTest {
             type = AudioRankingType.RISING,
             items = listOf(
                 AudioRankingItem(
+                    creatorMemberId = 10L,
                     contentId = 1001L,
                     title = "rising audio",
                     creatorNickname = "creator",

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/recommendation/adapter/in/web/AudioRecommendationControllerTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.content.recommendation.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.CountryContext
 import kr.co.vividnext.sodalive.configs.SecurityConfig
+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.jwt.JwtAccessDeniedHandler
@@ -12,6 +13,7 @@ import kr.co.vividnext.sodalive.member.MemberAdapter
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.v2.api.content.recommendation.application.AudioRecommendationFacade
 import kr.co.vividnext.sodalive.v2.api.content.recommendation.dto.AudioRecommendationsResponse
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -39,6 +41,11 @@ class AudioRecommendationControllerTest @Autowired constructor(
     @MockBean
     private lateinit var langContext: LangContext
 
+    @BeforeEach
+    fun setUpLanguage() {
+        Mockito.`when`(langContext.lang).thenReturn(Lang.KO)
+    }
+
     @MockBean
     private lateinit var sodaMessageSource: SodaMessageSource
 
@@ -54,7 +61,7 @@ class AudioRecommendationControllerTest @Autowired constructor(
     @Test
     @DisplayName("오디오 추천 조회는 비회원에게 200 OK와 ApiResponse.ok wrapper를 반환한다")
     fun shouldReturnRecommendationsForAnonymous() {
-        Mockito.doReturn(emptyResponse()).`when`(facade).getRecommendations(null)
+        Mockito.doReturn(emptyResponse()).`when`(facade).getRecommendations(null, Lang.KO)
 
         mockMvc.perform(get("/api/v2/audio/recommendations"))
             .andExpect(status().isOk)
@@ -74,13 +81,13 @@ class AudioRecommendationControllerTest @Autowired constructor(
             nickname = "viewer",
             role = MemberRole.USER
         ).apply { id = 10L }
-        Mockito.doReturn(emptyResponse()).`when`(facade).getRecommendations(eqValue(member))
+        Mockito.doReturn(emptyResponse()).`when`(facade).getRecommendations(eqValue(member), eqValue(Lang.KO))
 
         mockMvc.perform(get("/api/v2/audio/recommendations").with(user(MemberAdapter(member))))
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
 
-        Mockito.verify(facade).getRecommendations(eqValue(member))
+        Mockito.verify(facade).getRecommendations(eqValue(member), eqValue(Lang.KO))
     }
 
     private fun emptyResponse(): AudioRecommendationsResponse {

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/content/recommendation/application/AudioRecommendationFacadeTest.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.content.recommendation.application
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.v2.common.domain.RecommendationBanner
 import kr.co.vividnext.sodalive.v2.content.recommendation.application.AudioRecommendationQueryService
 import kr.co.vividnext.sodalive.v2.content.recommendation.domain.AudioCard
@@ -20,9 +21,9 @@ class AudioRecommendationFacadeTest {
     @Test
     @DisplayName("facade는 도메인 추천 결과를 모든 공개 응답 필드로 변환한다")
     fun shouldConvertDomainRecommendationsToResponse() {
-        Mockito.doReturn(domain()).`when`(queryService).getRecommendations(null)
+        Mockito.doReturn(domain()).`when`(queryService).getRecommendations(null, Lang.KO)
 
-        val response = facade.getRecommendations(null)
+        val response = facade.getRecommendations(null, Lang.KO)
 
         assertEquals(1, response.banners.size)
         assertEquals(1, response.originalSeries.size)
@@ -49,6 +50,7 @@ class AudioRecommendationFacadeTest {
 
     private fun domain(): AudioRecommendations {
         val card = AudioCard(
+            creatorMemberId = 10L,
             audioContentId = 1L,
             title = "audio",
             duration = "00:01",

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/adapter/in/web/CreatorChannelAudioControllerTest.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.CountryContext
+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
@@ -11,6 +12,7 @@ import kr.co.vividnext.sodalive.v2.api.creator.channel.audio.dto.CreatorChannelA
 import kr.co.vividnext.sodalive.v2.api.creator.channel.audio.dto.CreatorChannelAudioThemeResponse
 import kr.co.vividnext.sodalive.v2.api.creator.channel.common.dto.CreatorChannelAudioContentResponse
 import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -47,6 +49,11 @@ class CreatorChannelAudioControllerTest @Autowired constructor(
     @MockBean
     private lateinit var langContext: LangContext
 
+    @BeforeEach
+    fun setUpLanguage() {
+        Mockito.`when`(langContext.lang).thenReturn(Lang.KO)
+    }
+
     @MockBean
     private lateinit var sodaMessageSource: SodaMessageSource
 
@@ -88,7 +95,8 @@ class CreatorChannelAudioControllerTest @Autowired constructor(
             eqValue(null),
             eqValue(null),
             eqValue(null),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -118,7 +126,8 @@ class CreatorChannelAudioControllerTest @Autowired constructor(
             eqValue(null),
             eqValue(null),
             eqValue(null),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 
@@ -133,7 +142,8 @@ class CreatorChannelAudioControllerTest @Autowired constructor(
             eqValue(999L),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -158,7 +168,8 @@ class CreatorChannelAudioControllerTest @Autowired constructor(
             eqValue(999L),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/application/CreatorChannelAudioFacadeTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.application
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.KotlinModule
+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.v2.common.domain.ContentSort
@@ -33,7 +34,8 @@ class CreatorChannelAudioFacadeTest {
             themeId = 10L,
             page = 0,
             size = 20,
-            now = now
+            now = now,
+            lang = Lang.KO
         )
 
         val response = facade.getAudioTab(
@@ -43,7 +45,8 @@ class CreatorChannelAudioFacadeTest {
             themeId = 10L,
             page = 0,
             size = 20,
-            now = now
+            now = now,
+            lang = Lang.KO
         )
 
         assertEquals(3, response.audioContentCount)

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/adapter/in/web/CreatorChannelCommunityControllerTest.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.v2.api.creator.channel.community.adapter.`in`.web
 
 import kr.co.vividnext.sodalive.common.CountryContext
+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
@@ -14,6 +15,7 @@ import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChan
 import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChannelCommunityRepliesResponse
 import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChannelCommunityReplyResponse
 import kr.co.vividnext.sodalive.v2.api.creator.channel.community.dto.CreatorChannelCommunityTabResponse
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -50,6 +52,11 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
     @MockBean
     private lateinit var langContext: LangContext
 
+    @BeforeEach
+    fun setUpLanguage() {
+        Mockito.`when`(langContext.lang).thenReturn(Lang.KO)
+    }
+
     @MockBean
     private lateinit var sodaMessageSource: SodaMessageSource
 
@@ -89,7 +96,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(1),
             eqValue(20),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -117,7 +125,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(1),
             eqValue(20),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 
@@ -130,7 +139,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -148,7 +158,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 
@@ -169,7 +180,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
         Mockito.doReturn(createDetailResponse()).`when`(facade).getCommunityPostDetail(
             eqValue(101L),
             eqValue(viewer),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -195,7 +207,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(0),
             eqValue(20),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -222,7 +235,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -240,7 +254,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 
@@ -253,7 +268,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(0),
             eqValue(20),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -278,7 +294,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
 
         mockMvc.perform(
@@ -296,7 +313,8 @@ class CreatorChannelCommunityControllerTest @Autowired constructor(
             eqValue(viewer),
             eqValue(-1),
             eqValue(100),
-            anyValue(LocalDateTime.now())
+            anyValue(LocalDateTime.now()),
+            eqValue(Lang.KO)
         )
     }
 

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/adapter/in/web/CreatorChannelCommunityEndToEndTest.kt

@@ -22,6 +22,7 @@ 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.web.servlet.MockMvc
@@ -44,7 +45,8 @@ import javax.persistence.EntityManager
 class CreatorChannelCommunityEndToEndTest @Autowired constructor(
     private val mockMvc: MockMvc,
     private val entityManager: EntityManager,
-    private val transactionTemplate: TransactionTemplate
+    private val transactionTemplate: TransactionTemplate,
+    private val jdbcTemplate: JdbcTemplate
 ) {
     @MockBean
     private lateinit var audioContentCloudFront: AudioContentCloudFront
@@ -52,6 +54,67 @@ class CreatorChannelCommunityEndToEndTest @Autowired constructor(
     @MockBean
     private lateinit var creatorCommunityTranslationService: CreatorCommunityTranslationService
 
+    @Test
+    @DisplayName("커뮤니티 상세의 JA 이름은 크리에이터 댓글과 최신 답글에만 적용하고 USER 이름은 유지한다")
+    fun shouldLocalizeCreatorAuthorsAndLatestRepliesWithoutChangingUserNames() {
+        val fixture = transactionTemplate.execute {
+            val viewer = saveMember("community-localized-viewer", MemberRole.USER)
+            val creator = saveMember("community-localized-creator", MemberRole.CREATOR)
+            savePreference(viewer, isAdultContentVisible = true)
+            val post = saveCommunity(creator, isFixed = false, price = 0, content = "localized-name community")
+            val userComment = saveCommunityComment(viewer, post)
+            val creatorComment = saveCommunityComment(creator, post)
+            saveCommunityComment(creator, post, parent = userComment)
+            entityManager.flush()
+            listOf(creator.id!! to "日本語の投稿者", viewer.id!! to "USERには使わない名前").forEach { (memberId, name) ->
+                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)
+                    """.trimIndent(),
+                    memberId,
+                    name
+                )
+            }
+            updateCommentCreatedAt(userComment.id!!, LocalDateTime.of(2026, 10, 14, 10, 0))
+            updateCommentCreatedAt(creatorComment.id!!, LocalDateTime.of(2026, 10, 14, 11, 0))
+            entityManager.clear()
+            PostFixture(viewer = viewer, postId = post.id!!)
+        }!!
+
+        mockMvc.perform(
+            get("/api/v2/creator-channels/community-posts/${fixture.postId}")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(fixture.viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.success").value(true))
+            .andExpect(jsonPath("$.data.creatorNickname").value("日本語の投稿者"))
+            .andExpect(jsonPath("$.data.content").value("localized-name community"))
+            .andExpect(jsonPath("$.data.comments.comments.length()").value(2))
+            .andExpect(jsonPath("$.data.comments.comments[0].writerNickname").value("日本語の投稿者"))
+            .andExpect(jsonPath("$.data.comments.comments[1].writerId").value(fixture.viewer.id))
+            .andExpect(jsonPath("$.data.comments.comments[1].writerNickname").value("community-localized-viewer"))
+            .andExpect(jsonPath("$.data.comments.comments[1].latestReply.writerNickname").value("日本語の投稿者"))
+
+        transactionTemplate.executeWithoutResult {
+            jdbcTemplate.update(
+                "update creator_localized_name set display_name = ? where member_id = ? and lang = 'JA'",
+                "deleted_表示名そのまま",
+                entityManager.find(CreatorCommunity::class.java, fixture.postId).member!!.id!!
+            )
+        }
+        mockMvc.perform(
+            get("/api/v2/creator-channels/community-posts/${fixture.postId}")
+                .header("Accept-Language", "ja")
+                .with(user(MemberAdapter(fixture.viewer)))
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.creatorNickname").value("deleted_表示名そのまま"))
+            .andExpect(jsonPath("$.data.comments.comments[0].writerNickname").value("deleted_表示名そのまま"))
+            .andExpect(jsonPath("$.data.comments.comments[1].latestReply.writerNickname").value("deleted_表示名そのまま"))
+    }
+
     @Test
     @DisplayName("커뮤니티 탭 API는 E2E로 정렬, fallback, 성인 필터, 유료 미디어 접근 정책을 반환한다")
     fun shouldReturnCommunityTabThroughControllerServiceAndRepository() {

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/application/CreatorChannelCommunityFacadeTest.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.v2.api.creator.channel.community.application
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.KotlinModule
+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.v2.api.creator.channel.community.dto.CreatorChannelCommunityTabResponse
@@ -71,7 +72,8 @@ class CreatorChannelCommunityFacadeTest {
             viewer = viewer,
             page = -1,
             size = 100,
-            now = now
+            now = now,
+            lang = Lang.KO
         )
 
         val response = facade.getCommunityTab(
@@ -79,7 +81,8 @@ class CreatorChannelCommunityFacadeTest {
             viewer = viewer,
             page = -1,
             size = 100,
-            now = now
+            now = now,
+            lang = Lang.KO
         )
 
         assertEquals(2, response.communityPostCount)
@@ -99,9 +102,9 @@ class CreatorChannelCommunityFacadeTest {
         val facade = CreatorChannelCommunityFacade(service)
         val viewer = createMember(id = 10L)
         val now = LocalDateTime.of(2026, 7, 6, 12, 0)
-        Mockito.doReturn(createDetail()).`when`(service).getCommunityPostDetail(101L, viewer, now)
+        Mockito.doReturn(createDetail()).`when`(service).getCommunityPostDetail(101L, viewer, now, Lang.KO)
 
-        val response = facade.getCommunityPostDetail(101L, viewer, now)
+        val response = facade.getCommunityPostDetail(101L, viewer, now, Lang.KO)
 
         assertEquals(101L, response.postId)
         assertTrue(response.isLiked)
@@ -119,9 +122,9 @@ class CreatorChannelCommunityFacadeTest {
         val facade = CreatorChannelCommunityFacade(service)
         val viewer = createMember(id = 10L)
         val now = LocalDateTime.of(2026, 7, 6, 12, 0)
-        Mockito.doReturn(createComments()).`when`(service).getCommunityComments(101L, viewer, -1, 100, now)
+        Mockito.doReturn(createComments()).`when`(service).getCommunityComments(101L, viewer, -1, 100, now, Lang.KO)
 
-        val response = facade.getCommunityComments(101L, viewer, -1, 100, now)
+        val response = facade.getCommunityComments(101L, viewer, -1, 100, now, Lang.KO)
 
         assertEquals(1, response.commentCount)
         assertEquals(0, response.page)
@@ -139,9 +142,9 @@ class CreatorChannelCommunityFacadeTest {
         val facade = CreatorChannelCommunityFacade(service)
         val viewer = createMember(id = 10L)
         val now = LocalDateTime.of(2026, 7, 6, 12, 0)
-        Mockito.doReturn(createReplies()).`when`(service).getCommunityReplies(201L, viewer, -1, 100, now)
+        Mockito.doReturn(createReplies()).`when`(service).getCommunityReplies(201L, viewer, -1, 100, now, Lang.KO)
 
-        val response = facade.getCommunityReplies(201L, viewer, -1, 100, now)
+        val response = facade.getCommunityReplies(201L, viewer, -1, 100, now, Lang.KO)
 
         assertEquals(1, response.replyCount)
         assertEquals(201L, response.replies.first().commentId)