[Miyahara Ayumu] Idol no Tamago wa Benkyouchuu Ch. 1-5
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
(C56) [RYU-SEKI-DO (Nagare Hyo-go)] CompleX Pack (Comic Party, White Album)
[Raiden Labo (Raiden)] Dodon Chichi (Various)
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
[Dojinchi (Nakamura Hirofumi)] 中村博文総天然畫集II 股根汁
[Anthology] Futanari Friends! 15
(SPARK8) [UltimatePowers (RURU)] Nitori-kun no Mousou Nikki (Free!)
[Queen's Labo] サディストくのいち残酷遊戯
(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}
Wife's Cheating Vacation 2: Once You Fall There's No Turning Back
(C91) [Illumination. (Ogadenmon)] Kono Subarashii Seiyoku ni Syukufuku o! (Kono Subarashii Sekai ni Syukufuku o!) [English]
[Ma-Kurou] Yuyushiki Ero Kamishibai - Chinpo Chinpo Futanari Yui-chan (Yuyushiki) [English]
(C79) [Kurumi Namiki (Mita Kurumi)] Yakkou Chuui | Beware of the Drug's Effectiveness (DREAM C CLUB) [English]
(C72) [nylon 100% (nylon)] Dramatic!! (Ookiku Furikabutte)
[Sabano Niwatori] All Idols #5 (COMIC RiN 2011-11) [English] [Sling]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Pintsize (number10, TKS)] Kidoubenki Sayoko [Digital]
Raijo no Kai
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
Senchou no Shukkou Rankou Hon | The Book of Senchou’s Sailing Orgy
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
Shame Reportt SUMMER! 30 Days Of Shame
Twilight's Research | 暮光学习计划
[Takimoto Doujou (Kyuusho Tarou)] Taidokudan (Various)
[Dull Zodesadehai (Dull)] Mairuka to Asobo hardcore (Kemono Friends) [Digital]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Henshin Heroine Shokushu Zeme ~ Kikaijikake no Kairaku Jigoku Ochi
Can Human and Monster Make a Baby? (uncensored)
(C80) [Kamoro-Sa-Z (Oobanburumai, Migiyori)] DRAGON & ROSE (TIGER & BUNNY) [English]
[Akae Shirou] Ingan Giga Ch. 4
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Doki! Special 2008-07
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
(C83) [C.R's Nest (C.R)] Houfuku? Houfuku? 3 (Kyoukai Senjou no Horizon)
[Sae (Umiyama Misaki)] Dorobou Neko to Keisatsuken (Cat's Eye, City Hunter) [Digital]
Hot Tails06 - Pt2
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
Nihon Heropin H Kenkyuujo
Movie Research Lovers
Magical Occult Research Girl Defeated
Manga Research Triangle
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
[Department Y Research Institute] Bōkoku ōjo no matsuro
[Rakuta Shouko] Ameagari no Bokura ni Tsuite | 雨后的我们 Ch. 7-12 [Chinese] [Digital]
Kaa-san to Yankee Bouzu
[ARCHIVES (Hechi)] "Puchi Muni" (Kari) Shitagakibon Kouhen
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
Onee-chan Time
[Kamitou Masaki] Akkanjima -Blonde Jigoku-
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
Okinami no Koi Kokoro
[Kawai Shun] Dance! Tentacle Research Institute [English]
YUKIKAN2
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
Two Girl's Suck-Suck Research Note
Attack on Research
(C79) [UNDER CONTROL (zunta)] ONE MORE HEROES (NO MORE HEROES)
(C72) [Kuroshikatei (Unno Hotaru)] Gonin wa Yuricure (Yes! Precure 5)
Zecchou Kenkyuujo | Orgasm Research Facility
(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]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
[valssu (Charu)] Roshutsu Shoujo Yuugi Aida [English] [Munyu] [Digital] [Incomplete]
The Skinsuit Empire Part 3 (人皮帝国系列-第三回)—— Forest Adventrue(森林冒险)
Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come
(C70) [RPG COMPANY 2 (Aono Rokugou)] Ecchi Sketch G (Final Fantasy VII)
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
(C75) [TETRODOTOXIN (Nise Kurosaki)] Machina & Garnet to Toshikoshi SEX Zanmai (Dragonaut) [English] {doujin.moe.us}
Seitokaichou ga Kucchane o Kurikaeshitara Ushi ni Natta tte Hontou desu ka!?
(C92) [Tori no Ya (Mashikodori)] Suki na no wa Onii-chan mo Issho
[SQUEEZE!! (Oboro)] Itazura Nyanko! (Nyan Koi!)
(C97) [Tapioca Box (Nyuuhin)] Bocchidatta Boku ga Futanari Musume ni Kouryaku sareru Ohanashi [English]
hiiro no tui to muku no miya
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
Manga Erotique - Volume 1 - Extreme Orient
Dance! Tentacle Research Institute
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
space alien(possess)
Bowsette's Research
[valssu (Charu)] Another Ocean (Star Ocean 4: The Last Hope) [English]
Onemuri Viktor-sensei
[Novia (Labui)] Seitokaichou no Karei naru Nyotaika Kiroku [English] [HSamurai] [Digital]
Joshi Luck! ~2 Years Later~ Nichijou Hen Ch. 1
Research of Barnaby Brooks Jr.
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
(Nanairo Majo no Ningyou Butoukai. 5) [Yosutebito na Mangakaki (Tomoki Tomonori)] Watashi o H no Aite ni Erande kudasai! (Touhou Project)
[John Sitch-Oh] Suieibu Capriccio Ch. 1-6
Teitoku no Doutei wa Akagi ga Oishiku Itadakimashita
Ordermade vol. 14
(C77) [Handsome Aniki (Asuhiro)] Ookami ni Naritai (Lucky Star)
[seventh zest (Mutsuno Hexa)] Ecchi na Sokubaikai wa Suki desu ka? [Digital]
COMIC BAVEL 2020-8 [Digital]-Tokuten Shousasshi
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
[Hinotsuki Neko] Pet na Ane no Shitsukekata | How to Train Your Pet Older Sister (COMIC Grape Vol. 24) [English] [Tigoris Translates] [Digital]
Mouretsu Oppai Dangi
[Zeromono] PUCHI+MIX (Catgirl)
JS Kenkyuukai | JS Research Seminar
In the School...
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
Don`t speak (remake)
Pet Girl | 饲养女孩
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
(COMIC1☆6) [PIANIISHIMO (Pija)] Ano Natsu de Yatteru (Ano Natsu de Matteru)
(C93) [TWILIGHT DUSK (Aya)] Aoi no Netorare Nikki Mou
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
Saikin Imouto no Oppai ga Kininatte Shikataganai
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
(SC57) [HIGH RISK REVOLUTION (Aizawa Hiroshi)] Oonoya Saiken Funtou Nisshi - Anegasaki Nene Bus Guide hen (Love Plus) [Chinese] [黑条汉化]
(C74) [Youmusya (Gengorou)] Yuyuko-sama sonna Mono Tabecha Ikemasen (Touhou Project)
Dance! Tentacle Research Center - Seedbed-hen
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
Futanari Kenkyuu Dousoukai | Futanari Research Club
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Binyuchousain Ayako | Busty Researcher Ayako
(C69) [Hellabunna (Iruma Kamiri, Mibu Natsuki)] RE:set One (Dragon Quest IV)
(C89) [Gujira 4 Gou (Gujira)] Gal Bitch sho-nen no INSEI [English] [CGrascal]
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
Otokonoko wa Zenritsusen de Hanahiraku | 男孩子绽放的前列腺之花