diff --git a/client/strings/ja.json b/client/strings/ja.json
index 28f6de6a6..0621614f4 100644
--- a/client/strings/ja.json
+++ b/client/strings/ja.json
@@ -214,7 +214,9 @@
   "LabelEnd": "終了",
   "LabelEndOfChapter": "チャプターの最後",
   "LabelEpisode": "エピソード",
-  "LabelExplicit": "",
+  "LabelEpisodes": "エピソード",
+  "LabelEpisodic": "エピソード",
+  "LabelExplicit": "露骨な表現",
   "LabelFeedURL": "Feed URL",
   "LabelFile": "ファイル",
   "LabelFileBirthtime": "ファイル作成日時",