[Kurokudo-ya (Furisuku)] Ikanoko Syndrome (Shinryaku Ika Musume) [Digital]
(C79) [Hearts & Crusts (Nanana Nana)] Ryoujoku! Ika Musume | Sexual Invasion! Ika Musume (Shinryaku! Ika Musume) [English] [ProjectHumpMe!Scanlations]
(C79) [KAKOHIMENOUTUWA (Yuumazume)] Gyouten!! Ika Musume Mamire 1234 Soushuuhen (Shinryaku! Ika Musume)
(C79) [Asanoya (Kittsu)] Seishin Houkai suru made Kusuguri makutte Ryoujoku shitemiru Test 4 Ika Musume Yaranaika | Rape and tickle test until one loses her sanity 4 (Shinryaku! Ika Musume) [English] [desudesu]
[Mousou Temporary (Mousou)] Jyuurin! Ika Musume (Shinryaku! Ika Musume) [Digital]
(C92) [Madogiwa Works (Wasabi Yuuma)] Mamono Musume Souguuki Case: Dragon (Monster Girl Encyclopedia)
[Black Angel] Kiyomi to Sanae to Ika-chan to! (Shinryaku! Ika Musume) [English] [Kamikakushi]
Bessatsu Comic Unreal Monster Musume Paradise 4
[Anthology] Bessatsu Comic Unreal Monster Musume Paradise Vol. 4 | 別冊非現實漫畫 魔物娘的天堂4 [Chinese]
(C94) [Madogiwa Works (Wasabi Yuuma)] Mamono Musume Souguuki Case: Ratatoskr (Monster Girl Encyclopedia)