Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
(C97) [GreenHouse (Uno Ryoku)] Amae Amayakashi Amayakasare (Girls' Frontline) [Chinese] [脸肿汉化组]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
悪堕ち武闘姫
It's a manga about a little sister sucking on her big brother's penis
Onna Yuusha ni Tensei Shitara Mazoku no Tsuma ga 5-nin mo Irurashii | Reincarnated as a Female Hero Who Seems to Have 5 Demon Wives
Movie Research Lovers
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
Zecchou Kenkyuujo | Orgasm Research Facility
Futanari Kenkyuu Dousoukai | Futanari Research Club
404 Puchiki Nen Hon
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[NCP] Watashi no Subete o Kaichou ni Sasagemasu ~ Kaichou ni Natta Otoko o Suuhai suru Gakuen wa Tanoshii Ero Ero Harem!! ~
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
Dance! Tentacle Research Institute
Akuma to Same no Himitsu no Kiroku
Tsuki ga Noboru Kouhen | Moonrise Kouhen
(Senka no Toki) [PureSlider (Matsuo)] Shoku Chuudoku (Touken Ranbu) [English] [Decensored]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
(Mimiket 27) [FRAC (Motomiya Mitsuki)] Imitation Rabbey [Chinese] [夢之行蹤漢化組]
[Saeki Takao] Nama Omocha [Chinese]
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
[Roche] Yukime-chan Kyousei Sanran Show (Hell Teacher Nube)
SStudy Ch.0-31
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
(COMIC1☆15) [Mataro (Mataro)] Seijo Ijiri | Playing Around With a Holy Woman (Fate/Grand Order) [English] {Doujins.com}
Delizuma ~Danchizuma no Himitsu Ch.1-3
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Moms Cafe Ch.1-9 (English) (Ongoing)
e-Tiger!
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
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
TS Mahou Shoujo Ga Onanie Suru Hon
(C87) [Tousen Soudou (Tousen)] Meat Rose (Rozen Maiden) [English] {bewbs666}
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
Manga Research Triangle
(C80) [Hapoi-dokoro (Okazaki Takeshi)] RONDO (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai)
Watashi no Itoshino Danna-sama
(COMIC1☆11) [Freehand Tamashii (DT Hone)] Aorare Tsuma [Chinese] [斌哥个人汉化] [Incomplete]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
(C95) [Primal Gym (Kawase Seiki)] MOTTO! SAOff WINTER (Sword Art Online)
[Qunami Himehiko, Akahige] Gifu no Nurunuru Massage ~Musume no Kori o Asa kara Kurikuri~ | 義父的濕答答按摩~一早幫忙女兒放鬆肌肉~ Ch. 13 [Chinese]
Haru No Hajimari
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
♥ [Deadnoodles]
Sakare Seishun!! Ragai Katsudou | Prospering Youth!! Nude Outdoor Exercises
[Kazuma G-Version] Tim Tim Machine Custom 02 (Onegai Teacher)
[Nisiarea (Syouwaru)] Momokajiru Arisujiru Momoka & Arisu Soushuuhen 2 (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Department Y Research Institute] Bōkoku ōjo no matsuro
(COMIC1☆10) [Take Out (Zeros)] Momo x Kei (Girls und Panzer)
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Touhou no Onnanoko ni Ashi de Fundemorau Hon 3
Two Girl's Suck-Suck Research Note
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]