[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
(ABC 5) [Hanyan. (Nekomimi Kanon)] Futa Suta (Lucky Star)
Zecchou Kenkyuujo | Orgasm Research Facility
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
(SC62) [Amezaiku (Shiramori Yuse)] Girl Friend(Natsu) (Girl Friend BETA)
[Mizone] Gyoryuushima no Okite ~Jikyuu 1500 yen!! Gyogyou o Tetsudau Kantan na Oshigoto desu. (Dansei nomi Bashou) Kouhen~ [English] [Metaphrastes] [Digital]
[imanonderu] Dokushin Chuunen Otoko ga Gal ni Hamaru Hanashi [Chinese] [Digital]
Quickie
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
(COMIC1☆4) [Nama Cream Biyori (Nanase Meruchi)] Kemonogatari 00 (Bakemonogatari) [English] [SMDC]
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
(C64) [Shinnihon Pepsitou (St.germain-sal)] Destruction Of Annihilate (DOA) (Dead or Alive)
Karametorareta Shishiou
[Nagashima Chousuke] Kigenzen 10000 Nen no Ota | 来到紀元前1万年的阿宅 Ch. 4-7 [Chinese] [dragonolim个人中文翻译]
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
(C91) [Studio Wallaby (Niiruma Kenji)] Choppiri Tokubetsu na Service ga Aru Yokujou Shisetsu ni Kita Ojou-sama
[Nishida Megane] Tsuma Chichi Temptation | Wife Breast Temptation Ch. 1-2 [English] {Doujins.com}
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
(C95) [Iron Plate (Yaki Ohagi)] Hiza no Ue ni Sakura (Fate/stay night)
Kirei Kawaii Kakkoii | Charming Cute Cool
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Ogami Wolf] Cocktail Dream
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Koume Keito] Kafun Shoujo Complete Ge - the pollinic girls complete [Digital]
Fellatio Kenkyuubu | Blowjob Research Club Ch. 2
Conflict
Dance! Tentacle Research Institute
Manga Research Triangle
(Daikyuushuu Touhousai 8) [Nyuu Koubou (Nyuu)] Oidemase!! Jiyuu Fuuzoku Gensokyo Nihaku Mikka no Tabi (Touhou Project)
[Kawai Shun] Dance! Tentacle Research Institute [English]
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
[Noise] Chinko no Jiyuu Kenyuu | Dick Research Project (COMIC LO 2019-05) [English] [Doki Fansubs] [Digital]
[Trump] Miyabi To Nayuta
[Kai.Tenchou (Murai G)] Revolution Child (Valvrave the Liberator) [Digital]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
Asoko de Toberumon!
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Magical Occult Research Girl Defeated
Hanachiru Otome 2
[Ashimoto Yoika] Iyarashii Chibi no Kajiya-san (COMIC Unreal 2018-06 Vol. 73) [Chinese] [驭灵师X野兽勇者谜拟Q] [Digital]
[Department Y Research Institute] Bōkoku ōjo no matsuro
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
[Neko Irazu (Hinoki)] NANDEMO DEKICHAU SEIIBUTSU GJALLARHORN (Senki Zesshou Symphogear) [Digital]
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
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
[LUCK&PLUCK!Co. (Amanomiya Haruka)] Li Kohran no Gottsuee Kanji (Sakura Wars) [1997-05-25]
Bowsette's Research
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
Okonomi Yaki Teishoku "Tokumori" ~Koi Kuchi~
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Buchikome Anchor
[Takuwan] H.Ero -Sei no Kyoushitsu- | H・ERO -性的教室- [Chinese] [數字君重嵌]
Skirt no Naka wa Kedamono deshita. Ch. 5
Mission 3
Soshite, Sabbath wa Tsuzuku. | And so the Sabbath Continues
Two Girl's Suck-Suck Research Note
[Akino Hidefumi] Kago no Naka no Kotori | A Bird in the Cage (Biane) [English] [bientaimon]
Ochinpo Daisuki Ecchi na Bakunyuu Shoujo
[Manabe Jouji] Tail Chaser 3 [English] [SaHa]
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
[Anthology] Cyberia Maniacs Chikan Ryoujoku Paradise Vol. 4 [Digital]
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
[Alexi Laiho] Nukisashi Jiyuu no Maid Ana [English]
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
[HIGH RISK REVOLUTION (Aizawa Hiroshi)] Yoku (ToHeart2)
Watashi wa Dare no Mono?
[Minority] Negative Kanako-sensei [Chinese]
(CT17) [7cm (Nase)] Yukidoke | Melting Snow (Nurarihyon no Mago) [English] {Smith Johnson & Hunter Nightblood}
Rental Shikigami Pet
(COMIC1☆17) [Australia Milk (staryume)] Onaka Pekopeko Pecorine + Yui (Princess Connect! Re:Dive) [Chinese]