Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research

[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}

[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]

Chinko no Jiyuu Kenyuu | Dick Research Project

[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]

[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)

(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]

[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

[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]

[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]

(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

Futanari Kenkyuu Dousoukai | Futanari Research Club

[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]

(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]

[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

(C81) [7 Men Zippo (Kamishima Akira)] Sensei Shinsatsu Onegaishimasu! 2 | Sensei, Please Examine Me! 2 (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]

(C80) [7 Men Zippo (Kamishima Akira)] Sensei Shinsatsu Onegaishimasu! | Sensei, Please Examine Me! (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]

Sensei Shinsatsu Onegaishimasu! 2 | Sensei, Please Examine Me! 2

Sensei Shinsatsu Onegaishimasu! | Sensei, Please Examine Me!

(C90) [Circle Ohigetan (Ohigetan)] Ohigebon-73 Onedori! 3 Natsu da! Asedaku da! Muremurehokahoka Oparty! Onee-chan Satsusei Shimakuri Natsuyasumi no Jiyuu Kenkyuu~! [English] [biribiri+Super Shanko]

(C90) [Circle Ohigetan (Ohigetan)] Ohigebon-71 Onedori! Natsu da! Asedaku da! Muremure Fusafusa Omange da! Onee-chan Satsuei Shimakuri Natsuyasumi no Jiyuu Kenkyuu~! [English] [No4h+Chaos-x]

(C90) [Circle Ohigetan (Ohigetan)] Ohigebon-73 Onedori! 3 Natsu da! Asedaku da! Muremurehokahoka Oparty! Onee-chan Satsusei Shimakuri Natsuyasumi no Jiyuu Kenkyuu~!

(C90) [Circle Ohigetan (Ohigetan)] Ohigebon-71 Onedori! Natsu da! Asedaku da! Muremure Fusafusa Omange da! Onee-chan Satsuei Shimakuri Natsuyasumi no Jiyuu Kenkyuu~!

(C70) [Maruno Keikaku (Marunosuke)] Jiyuu Kenkyuu

(C86) [Singleton (Azuma Yuki)] Natsuyasumi no Jiyuu Kenkyuu - Yousei no Yuuwaku 2 [Chinese] [脸肿汉化组]

(C80) [Digital Accel Works] INAZUMA Jiyuu Kenkyuu (PreCure)

[Muchin] Sakura-chan no Jiyuu Kenkyuu 2 | Sakura-chan's Free Study 2 [English]

[Muchin] Sakura-chan no Jiyuu Kenkyuu 1 | Sakura-chan's Free Study 1 [English]

(C86) [Singleton (Azuma Yuki)] Natsuyasumi no Jiyuu Kenkyuu - Yousei no Yuuwaku 2