90 books • 7 series
Book #1: Astrea Record, Vol. 1 Is It Wrong to Try to Pick Up Girls in a Dungeon? Hero-tan
Book #2: Astrea Record, Vol. 2 Is It Wrong to Try to Pick Up Girls in a Dungeon? Tales of Heroes
Book #1: Is It Wrong to Try to Pick Up Girls in a Dungeon? II, Vol. 1 (manga)
Book #1: Is It Wrong to Try to Pick Up Girls in a Dungeon? Familia Chronicle Episode Freya, Vol. 1 (manga)
Book #2: Is It Wrong to Try to Pick Up Girls in a Dungeon? II, Vol. 2 (manga)
Book #19: Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 19 (manga)
Book #3: Is It Wrong to Try to Pick Up Girls in a Dungeon? Familia Chronicle Episode Freya, Vol. 3 (manga)
Book #11: Is It Wrong to Try to Pick Up Girls in a Dungeon?, Vol. 11 (Manga)
Book #15: Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 15 (manga)
Book #22: Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 22 (manga)