[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Circle Medewoi] Gyaru to Oyaji to Sukebe Shitagi ~ Niizuma Hiyake Gyaru ni Tanetsuke Nama Natsu Sex ~ [Digital]
COMIC 0EX Vol. 25 2010-01
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(C90) [Shichimen Soka (Sexyturkey)] Girls & Zabou kaburi Tamejuice (Girls und Panzer) [English] [TreePerception]
[Tempuru] Albedo & Sucrose's Isekai Observation Research Report
Toriaezu Shokushu de.
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
Shounen × Niku × Dorei + Omake hon
Movie Research Lovers
Magical Occult Research Girl Defeated
[Tanaka Ex] Onii-chan Mou!
[Department Y Research Institute] Bōkoku ōjo no matsuro
(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]
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Pike Bone Rescue Operation
(Bokura no Love Live! 6) [7 Colored LED (Nekonso)] Futanari Umi-chan | 扶她海未酱 (Love Live!) [Chinese] [没有汉化]
Insect Research Institute 2
Ookami wa Hitsuji no Yume o Miru
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Koakuma Setsuko no Himitsu Vol. 5
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Zecchou Kenkyuujo 2 Orgasm Research Facility 2
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Two Girl's Suck-Suck Research Note
Secret Alice
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
[Manbo] Powder Massage
[Onihime] Reijou Collection
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Kairaku Shijou Shugi no Kyoushitsu
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Harapeko Lion to Toshiue Kareshi
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Camrism (Kito Sakeru)] Pecorine to Shota Kishi-kun | Pecorine And The Shota Kishi-kun (Princess Connect! Re:Dive) [English] {Doujins.com} [Digital]
(C67) [CHROMATIC ROOM (Maka Fushigi)] Savuivo (Uninhabited Planet Survive)
Shuudou Shoujo Aria
[Bu-chan] GaCen de Deatta Otokonoko Cosplayer | Game Center Deatta Otokonoko Cosplayer (Otoko no Ko-llection!) [English] [mysterymeat3]
[Akino Sora] Junren
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Fellatio Kenkyuubu | Blowjob Research Club
[Atelier Bord] SPIRITS of SWORD
Gakkou de Seishun! 5 ~Doukyuusei to Issho~
Bowsette's Research
(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]
Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club
Amakute Omoi Iro
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】