Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[Uchida Koneri] Mama wa Fellatio Bijin!! | Mama Is A Fellatio Beauty (Tadareta Boshi no Himitsu) [English] [Fated Circle]
Fellatio Kenkyuubu | Fellatio Fesearch Department Ch. 1
Fellatio no Tenshi - Fellatio Angel
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
(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]
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - 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]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
Twilight's Research | 暮光学习计划
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
Research of Barnaby Brooks Jr.
Manga Research Triangle
Attack on Research
Dance! Tentacle Research Center - Seedbed-hen
Movie Research Lovers
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Two Girl's Suck-Suck Research Note
Bowsette's Research
Futanari Kenkyuu Dousoukai | Futanari Research Club
JS Kenkyuukai | JS Research Seminar
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Zecchou Kenkyuujo | Orgasm Research Facility
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Magical Occult Research Girl Defeated
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Dance! Tentacle Research Institute
(SC2017 Summer) [Ninokoya (Ninoko)] Shoujo Kaishun -Kyuushoku no Jikan- Fellatio Hen
(Mou Nani mo Kowakunai 26) [Shadan Katsudou (Kyuusuikei)] Fellatio Suarus VS Mahou Shoujo Zenpen (Puella Magi Madoka Magica)
(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame) [Chinese] [最愛大屁屁x漢化組漢化組]
[Ninnindo (Tonsuke)] N Zukan ~Fellatio Hen~ (Various)
(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame)
(GO! GO! HEAVEN!! 6) [Sennen Teikoku (Mitsui Jun)] Fellatio Mamoru-kun 1+2 (Gaogaigar) [Chinese] [萌控漢化組]
[JON (Chupimaro)] Netto! Fellatio Koshien [Digital]
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [Chinese] [空想少年汉化]
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [Chinese] [胆小的深绘里汉化]
[Anthology] Fellatio Anthology Kouin Ojoku
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY!
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [English] {thetsuuyaku} [Decensored]
(C88) [Eroquis! (Butcha-U)] DELIGHTFULLY FUCKABLE AND UNREFINED FELLATIO DAY! [English] {thetsuuyaku}
[NAVY (Kishuu Chokkou)] Fellatio no Ehon Soushuuhen Vol. 1 (Various) [Digital]
[NAVY (Kisyuu Naoyuki)] Fellatio no Ehon Soushuuhen Vol. 1 (Various) [Digital]
[Wakana Hanabi] Hatsukoi to Fellatio to Seiin
[Calpis Koubou] Okuchi Saimin Chipo de Seieki de Kanjiru Fellatio [Digital]
[Anyakunin] Efu no Hon - Fellatio
[Sarurururu (Various)] Fellatio Paranoia [Digital]
[NAVY (Kisyuu Naoyuki)] Okuchi no Ehon -Honsai wa Waga ja !- | Mouth's Picture book -The true wife is me-! (Fellatio no Ehon Soushuuhen Vol. 2) (Sekirei) [English] =Wrathkal+EZRewriter= [Digital]
[Shiwasu no Okina] Fellatio Club [English]
[Mikikazu] Fellatio Maniax
(C77) [Kaientai (Shuten Douji)] Fellatio F Club (Dream C Club)
[Tsuchinoko Kyoukai (Tsunoda Saburoo)] Fellatio ~ Baka Ichidai Sekai Seiha Hen (Bishoujo Senshi Sailor Moon)