Magical Sex Friends
COMIC Kairakuten XTC Vol. 3
H Jigyoubu Eigyou Ichi Ka | H Department Division One
[Mori Takuya] Konna Ko ni Shita no Oniichan desho!!
Shin Sokkyuuou
[Karasu] "Seito Shidoubu" na Kyouzai | "Sexual Counseling Department" Teaching Material (Bessatsu Comic Unreal Joushiki ga Eroi Ijou na Sekai) [English] [biribiri]
JS Kenkyuukai | JS Research Seminar
Dance! Tentacle Research Center - Seedbed-hen
[Yunioshi] Mirai Hinyoukika - Mirai Urology Department (COMIC Megastore H 2007-09) [English] [Kusanyagi]
Dance! Tentacle Research Institute
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Binyuchousain Ayako | Busty Researcher Ayako
(C85) [Cocoa Holic (Yuizaki Kazuya)] Sakurairo Empress (Outbreak Company)
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
(C92) [LongHornTrain (CyoCyo)] Hokenjo ga Kita!! | The Health Department Is Here!! (Kirakira PreCure a la Mode) [English] [B.E.C. Scans]
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Bowsette's Research
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Okaa-san to Kagami
Attack on Research
(C91) [Tsukimigusa (Mutsuki Haru)] Rose of Vampire III