[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Twilight's Research | 暮光学习计划
Binyuchousain Ayako | Busty Researcher Ayako
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
Research of Barnaby Brooks Jr.
Manga Research Triangle
Attack on Research
Dance! Tentacle Research Center - Seedbed-hen
Movie Research Lovers
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Two Girl's Suck-Suck Research Note
Bowsette's Research
Futanari Kenkyuu Dousoukai | Futanari Research Club
Fellatio Kenkyuubu | Fellatio Fesearch Department Ch. 1
JS Kenkyuukai | JS Research Seminar
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Zecchou Kenkyuujo | Orgasm Research Facility
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
Magical Occult Research Girl Defeated
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Dance! Tentacle Research Institute
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[Department Y Research Institute] Bōkoku Ōji no matsuro
[Department Y Research Institute] Bōkoku ōjo no matsuro
[Kawai Shun] Dance! Tentacle Research Institute [English]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]