[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
Insect Research Institute 2
(C95) [Image Rider (Koyasu Kazu)] Juu Mesu Senki (Senki Zesshou Symphogear)
QQQ
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
[drill'n girl (Uehasu)] Onii-san no Totsu Kashite Kudasai 2-honme | Lend Me Your Dick 2 [English] [Nishimaru] [Digital]
(C75) [Asapi Keikaku. (Asagi Aya)] Obenkyo shimasho? Katsura-kun 2@Iro tsuki (Gintama)
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Movie Research Lovers
Share 2 Kaa-san tte Muriyari Saretari Suru no Suki na no?
[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Mini Bite
Zecchou Kenkyuujo | Orgasm Research Facility
Dance! Tentacle Research Institute
[Uchuusen Shoujigou (Shouji Nigou)] Takagaki-san to Fuyu no Hi (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
Research Fellow
(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]
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
(C84)[KAROMIX (karory)] Karorful mix EX11 (Shingeki no Kyojin)[English][EHCove]
[little299] Idol Dream
Porno Switch - глава 11
[Weiss Anima (Comso) ojou no tokubetu tokkun (Alice Gear Aegis)
Seiso na Imouto no Medekata
Reijou-tachi no Nichijou
Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
エンジョイ交配☆〜DM〜
[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!
[Tanaka Aji] "Kare ni... Dakaremashita. Ato, Ne..." ~Otome ga Chuuko XXX Desu to Kokuhaku Suru Hi~ | He...Embraced Me.After That... Ch.1-9 [English] {Doujins.com}
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
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]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
H.SAS 3
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
Ane To Megane To Milk4 - Advice
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
Magical Occult Research Girl Defeated
(C66) [Hi-PER PINCH (clover)] Mousou Bakusouteki (Ragnarok Online)
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
Toki ni wa Shoufu no You ni
Kashima no Yoru Jijou
(C94) [Monte Carlo-ya (Sena Monaco)] Motto WARU I KO (Boku no Hero Academia)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Draw Two (Draw2)] Yahari Kono Yakyuubu Gasshuku wa Machigatteiru. [Digital]
(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}
Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants
Dagashi Kashi no Ero-hon Kokonotsu-kun Kouiunoga Suki nano?
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
Research Love Make Presentation | Research Lab x Expression
[Kawai Shun] Dance! Tentacle Research Institute [English]
Shikitari, Michimichitari Kouhen
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
[Bunoke] Hanayome Gakuen
(C85) [Mayorice Suishou Iinkai (Dodomeiro Mayonnaise)] Fuyu Mo Nekosaki. [Chinese] [葡萄糖個人漢化]
Hajimete
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
(OLLIE TO SATISFAKTI∞N) [Aoihakoniwa (Kazakagi Kyouya)] Ame no Hi ni Sukeru (SK8 The Infinity)
[Carburetor] Mama tomo to 1
(C89) [Kuma no Tooru Michi (Kumada)] One Night Jinrou | One Night Werewolf (Touhou Project) [English]
Yokubou Pandora - Chapter 10
[Department Y Research Institute] Bōkoku Ōji no matsuro
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
Two Girl's Suck-Suck Research Note
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
Aruji-sama, Nukinuki Itashimashou!
[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?
(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]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
A Kyuu Kami-sama!!
Futanari Kenkyuu Dousoukai | Futanari Research Club
Beauty mother anal brute-Yoshie and Yankee son
E can G Vol. 18
(Reitaisai 15) [Kitsune no Shippo Momitai (Wildcat)] Oshiete Ran-sama 1 (Touhou Project)
[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Department Y Research Institute] Bōkoku ōjo no matsuro
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Manga Research Triangle
風真いろはは主導したい
Rental oniichan ch.1-4
[Tempuru] Albedo & Sucrose's Isekai Observation Research Report
Cho↑Zetcho Idol ch@ng!
Ninshin wa Kinshin de to iu Hou ga Dekita node, Haha to Imouto to Oba ga Mainichi Ore no Chi〇po o Neratte Kuru
[Takeda hiromitsu] Sentai Pink (Misaki) no Christmas no Sugoshikata (IF) [Chinese] [流砂xChineseHerbalTea汉化]
孕ませ屋繁雄
(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]
Fellatio Kenkyuubu | Blowjob Research Club
(Unlock Heart) [Zamachi (Mita Somu, Futaba Narumi)] Kimi Tsunagi (Shugo Chara!)
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
[Toko-ya (HEIZO, Kitoen)] Chou Dotanba Setogiwa Gakeppuchi [Digital]
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
[Miyabi Tsuzuru] Enbo -Saihan-
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
[Gyotaku (Coelacanth)] CAT & DOG (K-ON!) [Digital]
(COMITIA117) [Nazunaya Honpo (7zu7)] Sex Assistant! [English] [constantly]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
[CaPiBa (Mikawa Mimi)] Watashi o Oshiro e Tsuretette! - TAKE ME HOME! (Uta no Prince-Sama)
(C91) [Raijinkai (Haruki Genia)] Tawawa no Kanshoku Vol. 2 (Getsuyoubi no Tawawa)
月夜に合いして 渚の乱編
Mesu Kagura -Fate Hen 3- | Mating Dance -Fate Chapter -
Research of Barnaby Brooks Jr.
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Amako Ticket Extra ~Onikuya-san Hen~ | Amako Ticket Extra ~Butcher Edition~
Attack on Research
Zecchou Kenkyuujo 2 Orgasm Research Facility 2
Dance! Tentacle Research Center - Seedbed-hen