diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/content/series/ContentSeriesRepository.kt b/src/main/kotlin/kr/co/vividnext/sodalive/content/series/ContentSeriesRepository.kt
index cb5c6c77..d02be1ec 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/content/series/ContentSeriesRepository.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/content/series/ContentSeriesRepository.kt
@@ -128,7 +128,8 @@ class ContentSeriesQueryRepositoryImpl(
                     runCatching { SeriesPublishedDaysOfWeek.valueOf(trimmed) }.getOrNull()
                 }
             }
-            .toSet()
+            .sortedBy { it.ordinal }
+            .toCollection(LinkedHashSet())
     }
 
     override fun getSeriesTotalCount(
@@ -276,7 +277,7 @@ class ContentSeriesQueryRepositoryImpl(
         val isNewFlag = isNewCase.max()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )
 
@@ -452,7 +453,7 @@ class ContentSeriesQueryRepositoryImpl(
         val isNewFlag = isNewCase.max()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )
         val latestReleaseDate = audioContent.releaseDate.max()
@@ -624,7 +625,7 @@ class ContentSeriesQueryRepositoryImpl(
         val isNewFlag = isNewCase.max()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )
 
@@ -734,7 +735,7 @@ class ContentSeriesQueryRepositoryImpl(
         val isNewFlag = isNewCase.max()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )
 
@@ -932,7 +933,7 @@ class ContentSeriesQueryRepositoryImpl(
         val minCurationOrder = audioContentCurationItem.orders.min()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )
 
@@ -1054,7 +1055,7 @@ class ContentSeriesQueryRepositoryImpl(
         val isNewFlag = isNewCase.max()
         val seriesPublishedDay = Expressions.enumPath(SeriesPublishedDaysOfWeek::class.java, "seriesPublishedDay")
         val publishedDaysConcat = Expressions.stringTemplate(
-            "group_concat(distinct {0} order by {0} separator ',')",
+            "function('group_concat', {0})",
             seriesPublishedDay
         )