Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
[Department Y Research Institute] Bōkoku Ōji no matsuro
Ochinpo Daisuki Ecchi na Bakunyuu Shoujo
[imanonderu] Dokushin Chuunen Otoko ga Gal ni Hamaru Hanashi [Chinese] [Digital]
Karametorareta Shishiou
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[Trump] Miyabi To Nayuta
(C58) [Takotsuboya (TK)] Gemini no Tenbin Soushuuhen | Balance of Gemini (Pretty Sammy) [English]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
Mai-hime - Midori-chan ni Ki wo Tsukete
Movie Research Lovers
[Department Y Research Institute] Bōkoku ōjo no matsuro
Buchikome Anchor
Rental Shikigami Pet
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Okonomi Yaki Teishoku "Tokumori" ~Koi Kuchi~
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
[Ashimoto Yoika] Iyarashii Chibi no Kajiya-san (COMIC Unreal 2018-06 Vol. 73) [Chinese] [驭灵师X野兽勇者谜拟Q] [Digital]
JS Kenkyuukai | JS Research Seminar
C83 Omake bon
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Shirasudon] Dosukebe Kyonyuu Layer to Off-Pako shite kita.[Chinese][鬼畜王汉化组]
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
(C64) [Shinnihon Pepsitou (St.germain-sal)] Destruction Of Annihilate (DOA) (Dead or Alive)
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
(C92) [Xration (mil)] bou 5 (Various) [English] [FC]
(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]
COMIC PLUM DX 04 [2011-04-28] [Digital]
Kokkoro ga Kanzen Saimin Sareta Ken Nitsuite
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
Koibito wa Kyuuketsuki !? Ch.1~3
Dance! Tentacle Research Institute
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[LUCK&PLUCK!Co. (Amanomiya Haruka)] Li Kohran no Gottsuee Kanji (Sakura Wars) [1997-05-25]
Magical Occult Research Girl Defeated
[Nishida Megane] Tsuma Chichi Temptation | Wife Breast Temptation Ch. 1-2 [English] {Doujins.com}
Kirei Kawaii Kakkoii | Charming Cute Cool
[Warabimochi] Shota Master VS Inran Majutsushi Onee-san (Fate/Grand Order)
[Mizu no Iro (WaterRing)] HoPornLive English (Hololive) [English] [Digital]
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
SAO no Usuusu na Ehon Buatsui
(C97) [Junginboshi (Takashina Asahi)] Bitch na Koakuma Sayuki-chan ~Onii-chan ni Anikatsuchuu~ [English]
[Yamo7 (Ayuma Sayu)] Koakuma-chan no Kougeki! 2 Doutei Itadakimasu Hen [Chinese] [绅士仓库汉化] [Digital]
[Manabe Jouji] Tail Chaser 3 [English] [SaHa]
(Daikyuushuu Touhousai 8) [Nyuu Koubou (Nyuu)] Oidemase!! Jiyuu Fuuzoku Gensokyo Nihaku Mikka no Tabi (Touhou Project)
Twilight's Research | 暮光学习计划
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
Watashi wa Dare no Mono?