(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
Futanari Kenkyuu Dousoukai | Futanari Research Club
[Miyoshi Hiromi] Ore-tachi no Shain Ryokou | My Obstinate Fellow (Nikutaiha Vol. 12 Fukusuu Play Kanzen Kouryaku) [English]
(C78) [Wata 120 Percent (Menyoujan)] MIO nochi RITSU (K-ON!) [English]
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
Kawakami-san.
(C88) [Maraparte (Kojima Shoutarou)] FIRE FELLOW CHARMING (My Hero Academia) [Incomplete]
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
Fellow Hermit
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
[Mizuyan] Anal Breaker!! ~Zecchou! Nikubenki~ | Anal Breaker!! ~Climax! Cum Dumpster~ (Heroine Pinch Vol. 11) [English] [desudesu] [Digital]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
[Akiyama Kenta] Gakuen Yuugi
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Miwaku no Alchol | 매혹의 알콜
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
DB Girls Sucking Cock
Fellowship Inn
Dance! Tentacle Research Institute
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
(C81) [Kyounetsuzanbun (PICO, Paintmusume)] Touhou Kinbaku Roku (Touhou Project) [English] [Fellowship of Freelancers]
[Misuterutein (Oborogumo Takamitsu)] Fellow-san to Issho! (Final Fantasy XI)
Two Girl's Suck-Suck Research Note
(SC33) [UDON-YA (Kizuki Aruchu, ZAN)] SWEETISH FELLOW (Fate/stay night) [Chinese] [322漢化]
Research of Barnaby Brooks Jr.
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
Anata ni Ai o Anata ni Hana o - Let me give love to you, I will give a flower to you
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
[Hiyoubeya (Hiyou)] Yui x Ai (Yuyushiki) [English] [Fellowship of Freelancers] [Digital]
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
Twilight's Research | 暮光学习计划
[Shinozaki Rei] Otoko no Yuujou | Male Fellowship Ch. 1-2 [English] [SaHa]
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
(Chokotto Waru no desu... Ouji) [inoNabeTei (inoshishi)] Fellow Hermit (Sennen Sensou Aigis)
Sennou Sarete Shimatta Oujo to Nakama-tachi | Brainwashed Princess and Fellows
[Tsurikichi-Doumei] Tekken
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
My Younger Sister is a Scylla
SWEETISH FELLOW
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[Miyamoto Rumi] Shizumi Sou UP UP
[Suterii] Yamiyo no Kaibutsu (2D Comic Dengeki Seme ni Zecchou Acme suru Heroine-tachi! Vol. 1) [Chinese] [魔法猪汉化] [Digital]
[Kawai Shun] Dance! Tentacle Research Institute [English]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
(Shuuki Reitaisai 2) [Mugendai (Humei)] Yottaikioi de | In a Drunken Impulse (Touhou Project) [English] [Fellowship of Freelancers]
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
(C88) [Maraparte (Kojima Shoutarou)] Fire Fellow Charming (Boku no Hero Academia)
Beitteru!
[Maraparte FIRE FELLOW CHARMING
(SC33) [UDON-YA (Kizuki Aruchu, ZAN)] SWEETISH FELLOW (Fate/stay night) [English] [Rookie84]
[Deego] Sana Pai | Sanae Boobs (Touhou Project) [English] [Fellowship Of Freelancers]
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
[Anthology] Ikisugi-kei Bishoujo no Onanie Life - Every day Masturbation Vol. 1 [Digital]
My Obstinate Fellow
(SC33) [UDON-YA (Kizuki Aruchu, ZAN)] SWEETISH FELLOW (Fate/stay night)
(C60) [Oh!saka Spirits (Various)] A Fellow Comes (Yoru ga Kuru! -Square of the Moon-)
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
Anya Ouhi no Oshigoto 2
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
JS Kenkyuukai | JS Research Seminar
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Serious-Biting!
(C65) [niseMIDIdoronokai (Ishikei)] NAMAKA4 (Ichigo 100%) [English] =Iko-scans + LWB= [Decensored]
[Department Y Research Institute] Bōkoku ōjo no matsuro
(C83) [Sorairo March (Narusawa Sora)] Ryoujoku March Konjiki no Yami (To LOVE-Ru Darkness)
FELLOW TRAVELER
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
(C61) [Kotobuki Chop (Kotobuki Kazuki)] D.O.D Destruction of Desire (Dead or Alive)
mono-colle 2
Movie Research Lovers
[187 Creature] Strange bedfellows