Is It Wrong to Try to Pick Up Girls in a Dungeon? IV: Play Back

Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV Episode 0

Is It Wrong to Try to Pick Up Girls in a Dungeon? IV: Play Back, Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV Episode 0, ダンジョンに出会いを求めるのは間違っているだろうかⅣ 第0話 回顧（プレイバック）, Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV: Play Back