Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Trump] Miyabi To Nayuta
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
Training to Saber captured
Okonomi Yaki Teishoku "Tokumori" ~Koi Kuchi~
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
Twilight's Research | 暮光学习计划
Conflict
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Kirei Kawaii Kakkoii | Charming Cute Cool
(C87) [Shinjugai (Takeda Hiromitsu)] Nagatama no Tochuu (Kantai Collection -KanColle-)
(C86) [Egyptsobaya (Taikou)] Cham Cham Carnival 2014 Rikudou Rekka (Samurai Spirits)
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
(CR33) [Manga Super (Nekoi Mie)] Summer Nude X (Dead or Alive Xtreme Beach Volleyball)
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Ogami Wolf] Cocktail Dream
Buchikome Anchor
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Mononoke Yome
[Department Y Research Institute] Bōkoku ōjo no matsuro
(C92) [Xration (mil)] bou 5 (Various) [English] [FC]
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
[Katsura Airi] Karami Zakari Bangaihen ~ Johnny Sin x Iida ~ (REWORK) [English]
Skirt no Naka wa Kedamono deshita. Ch. 5
Tokoharu Gakuen Rikujoubu
Dance! Tentacle Research Institute
Hanachiru Otome 2
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Makyou no Yu
(Futaket 14.5) [Katouya (Katou Jun)] Avatar ☆ Trance! 10 11
[Aoi Nagisa] Wagaya no Liliana-san + R + S + S+