[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
Fuck House
(COMIC1☆11) [Ohoshisamadou (GEKO)] -Chijoku no Majo Jeanne Alter- Fukujuu Maryoku Kyoukyuu (Fate/Grand Order)
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Mizugi Kanojo
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Takuji Hon 2009 Natsu
Magical Occult Research Girl Defeated
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Dance! Tentacle Research Center - Seedbed-hen
[Kawai Shun] Dance! Tentacle Research Institute [English]
Manga Research Triangle
Dance! Tentacle Research Institute
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Kegareta Socks Fechi no Tame no Sakuhin-shuu
(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}
Zecchou Kenkyuujo | Orgasm Research Facility
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
Nikuana Kukai | Hell of Whores Ch. 4
Futanari Kenkyuu Dousoukai | Futanari Research Club
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
My Spanking Friends Vol. 3
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Making a second child with my mother
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
Bowsette's Research
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
(CSP6) [Samidaregiri (Crowly)] Palutena-sama to Fushigi no Anano Shota (Kid Icarus) [English] [N04h]
Saimin Choukyouzumi! Netorare Wedding
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Kioku Soushitsu Alice Hyakushou Dorei Seikatsu
Attack on Research
[Lolimate Seizou Koujou (Lolimate)] Uso no Odorokashikata o Oshierarete Tokuige ni Jissen suru Kogasa-chan (Touhou Project) [Chinese] [CE家族社] [Digital]
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Movie Research Lovers
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
Research of Barnaby Brooks Jr.
JS Kenkyuukai | JS Research Seminar
Two Girl's Suck-Suck Research Note
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Department Y Research Institute] Bōkoku Ōji no matsuro
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Kaguya-sama wa Shasei Sasetai
Dragon Tale
[Department Y Research Institute] Bōkoku ōjo no matsuro
(C96) [Gekkouchou (Gekkou)] Gekkouchou Copy Ningyou Hen