[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
ROUGH vol.65
Let's play KAGE BUNSHIN!
Dance! Tentacle Research Center - Seedbed-hen
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
ヤンママおばさんの魅惑の躰2
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
(C91) [Karakishi Youhei-dan Shinga (Sahara Wataru)] Konoha-don Yasaimashi (Naruto) [English] [SeekingEyes] [Colorized] [Incomplete]
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Sakurahime
(CR35) [Tsurikichi Doumei (Kogawa Masayoshi, Kosuke)] Oudou ~Jikkon no Power Bomb no Shou~ (Various)
Koikaze Project IV
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Mannaka.
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
(C89) [Kairanban (Emine Kendama)] Namiland to Issho | Together with Namiland (One Piece) [English] [EHCOVE]
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
COMIC Megastore DEEP Vol. 5
(C86) [Kancho Hatto (Wakatsuki)] Gal Kyojoinma-san ni Umi de Shibori Torarechaou!
[Circle Kagemusya (Kagemusya)] "Shoukanjuu DX DeliHealizer" ~Card kara Josei o Shoukan shite Ecchi suru Ohanashi~
[rebirth] Kantoku no Arbeit (Ookiku Furikabutte)
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Binyuchousain Ayako | Busty Researcher Ayako
Onii-chan wa mada Natsuyasumichuu dakara Sex Shitemita
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
Chi-Dori
Zecchou Kenkyuujo | Orgasm Research Facility
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
Tadaima Utahime Hatsujouchuu
(C76) [Anime BROTHERS (Itsuki Kousuke)] PixelitA 08
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
[Jairou] Kairaku Suieibu (COMIC MILF 2015-06 Vol. 24) [Chinese]
[Point M (Mance)] Eimy Accident! | Amy Incident! (COMIC HOTMILK 2021-04) [English] {brolen} [Digital]
[Toku Soncho] Shiawase Manga
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Department Y Research Institute] Bōkoku Ōji no matsuro
STEP OUT
(COMIC1☆12) [OrangeMaru (YD)] Jidou Kouryaku (Fate/Grand Order) [Chinese] [無邪気漢化組]
Attack on Research
Hajimete ga Ii no! | ¡Quiero ser tu primera!
[Ikuhana Niro] Nanchakuchi (COMIC Anthurium 2016-05) [English] [CrowKarasu] [Digital]
[Keteru (Chiri)] 大切な君と祈りの歌を紡いでいくために (NieR:Automata) [Digital]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
(C97) [Kamico! (Mocco)] Mesu Dragon | 母龍 (Princess Connect! Re:Dive) [Chinese]
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
[Okuya Sei] Bomai Aido
Comic Megastore H 2008-11
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
Futanari Narini
(Hikarizaka Koukou Souritsushasai) [S-FLAKE (Yukimitsu)] Tomoya Shikkari Shinasai! (Clannad)
[Gotarou no All Night Fuck (Gotarou)] Jumyou o Taika ni Kaifuku Mahou o Tsukau Jutsushi, Nani Hitotsu Mukuwarezu Naburare tsukusu
Wancho-ke Note C93
Shouten! Harame Ore no Ragna-Rock!!