Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
(Mitsudol 16) [RADIOSTAR (Kudou Hiroshi)] Arrows Cut 9 (Sengoku Otome)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
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=
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Incubus ka Shita Ore ga JK Aite ni Gyakushuu Seikatsu!?
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
[Uninigumi (Unini Seven)] Boku wa Buhiru ga Wakaranai 2 (Boku wa Tomodachi ga Sukunai) [Digital]
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
(C66) [L-letter, RADIANT (Iwasaki Kouji, Yuuki Makoto)] RagPuri (Ragnarok Online)
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Two Girl's Suck-Suck Research Note
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
(C72) [Yakan Honpo & Yakan Hikou (Inoue Tommy)] Babys Breath (Fate/hollow ataraxia)
Touhou Saimin 4 Nandemo Sakuya-san
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Dance! Tentacle Research Institute
Fellatio Kenkyuubu - Fellatio Research Department
(C81) [Saigado (Saigado)] R-LAB. - Dr. Akagi's individual research lab (Neon Genesis Evangelion) [Chinese] [瓜皮漢化·母系戰士出品@萌夢星君發佈]
JS Kenkyuukai | JS Research Seminar
Collon to Milk
(C92) [Golden Harvest (Asakura Hyna, Kanouchi Takashi)] Aoi Yoru no Hate (Valkyria Chronicles)
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]
[Department Y Research Institute] Bōkoku Ōji no matsuro
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
Dante x Vergil
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Magical Occult Research Girl Defeated
(C93) [moco chouchou (Hisama Kumako)] Yuutousei Ayaka no Uraomote Extra (Yuutousei Ayaka no Uraomote Soushuuhen 01) [English] {Hennojin}
Twilight's Research | 暮光学习计划
[Modae Tei (Modaetei Anetarou, Modaetei Imojirou)] Asuka to 5-nin no Erogaki (Neon Genesis Evangelion) [Digital]
Futanari Kenkyuu Dousoukai | Futanari Research Club
Omee ga Yokute mo Ore wa Mada dayo
[Shiki Takuto] if -Jigen no Kanata- Ch. 1 [Chinese] [無邪気漢化組×漫の漢化組]
Momo-chan no Ichiban Nagai Hi
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Tokiniha Shoufu no You ni
[Kawai Shun] Dance! Tentacle Research Institute [English]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Studio Rakkyou (Takase Yuu)] Fundoshi shounen aikou-kai getsurei kondan-kai 3 tsuki kaihou [Digital]
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
Dance! Tentacle Research Center - Seedbed-hen
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
Ima kara Okita Alter to XXX Shimasu | Getting XXX with Okita Alter
Size Percentage CH3
Oshaburi Gakuen Pinsalka 4
Haitoku no Niwa | 배덕의 정원
(Senka no Toki) [Sousutai (Kitsuwo)] Tojime Hirakime (Touken Ranbu)
[Kazumu] Iyasare Pai ni Tsutsumarete [Digital]
Attack on Research