Doujins › Shinryaku! Ika Musume
- Pentagon by Kisen released Feb 1 '20
- Ika Musume by Dowman Sayman Hunter x Hunter Doujin and Shinryaku! Ika Musume Doujin released Jan 15 '14
- Kiyomi to Sanae to Ika-chan to! by Black Angel released Nov 23 '11
- Shinshoku! Shinaika by C.R.'s Nest released Aug 15 '11
- Magejun 28 by Shiramayumi released Jun 10 '11
- Ika Musumeshi by Koume Keito released May 14 '11