diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/content/series/translation/SeriesTranslation.kt b/src/main/kotlin/kr/co/vividnext/sodalive/content/series/translation/SeriesTranslation.kt
index 75dbbdd..c661d48 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/content/series/translation/SeriesTranslation.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/content/series/translation/SeriesTranslation.kt
@@ -1,7 +1,6 @@
 package kr.co.vividnext.sodalive.content.series.translation
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import com.fasterxml.jackson.module.kotlin.readValue
 import kr.co.vividnext.sodalive.common.BaseEntity
 import javax.persistence.AttributeConverter
 import javax.persistence.Column
@@ -22,7 +21,7 @@ class SeriesTranslation(
 data class SeriesTranslationPayload(
     val title: String,
     val introduction: String,
-    val keywords: String
+    val keywords: List<String>
 )
 
 @Converter(autoApply = false)
@@ -38,10 +37,34 @@ class SeriesTranslationPayloadConverter : AttributeConverter<SeriesTranslationPa
             return SeriesTranslationPayload(
                 title = "",
                 introduction = "",
-                keywords = ""
+                keywords = emptyList()
+            )
+        }
+        // 호환 처리: 과거 스키마에서 keywords가 String 이었을 수 있으므로 유연하게 파싱한다.
+        return try {
+            val node = objectMapper.readTree(dbData)
+            val title = node.get("title")?.asText() ?: ""
+            val introduction = node.get("introduction")?.asText() ?: ""
+            val keywordsNode = node.get("keywords")
+            val keywords: List<String> = when {
+                keywordsNode == null || keywordsNode.isNull -> emptyList()
+                keywordsNode.isArray -> keywordsNode.mapNotNull { it.asText(null) }.filter { it.isNotBlank() }
+                keywordsNode.isTextual -> listOfNotNull(keywordsNode.asText()).filter { it.isNotBlank() }
+                else -> emptyList()
+            }
+            SeriesTranslationPayload(
+                title = title,
+                introduction = introduction,
+                keywords = keywords
+            )
+        } catch (_: Exception) {
+            // 파싱 실패 시 안전한 기본값 반환
+            SeriesTranslationPayload(
+                title = "",
+                introduction = "",
+                keywords = emptyList()
             )
         }
-        return objectMapper.readValue(dbData)
     }
 
     companion object {