[Gunjyou Zensen] Aishite Little Wife Part 2 Botebara Ecchi Hen - Bonyuu Afureru Botebara Shoujo no Guchogucho na Chitai
Binyuchousain Ayako | Busty Researcher Ayako
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
(C78) [Harumankai (Haruma Tokihiko, Denki Shougun, Teiyanaka, Ajoea)] Lyrical Shoujo Zwei (Mahou Shoujo Lyrical Nanoha) [Digital]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
[Department Y Research Institute] Bōkoku Ōji no matsuro
Shukujo Kyouiku Jisshuu de Rippa na Mesuana ni Naru Assam-sama
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
[Neko Melon-ya] FUWA FUWA Zange-chan? (Kannagi: Crazy Shrine Maidens)
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
[Tensei-kun] Chemical Love (COMIC Masyo 2011-08) [Digital]
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[Uchiyama Aki] Abunai Chaidoru
Shimai Shima Ch. 1-2
Kouhukuya no Ehon Gokujo 2
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]