Research Institute hentai comics

Fellatio Kenkyuubu | Blowjob Research Club

[ShAKe] Junren Temptation | 純戀誘惑 [Chinese]

(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]

Saber Alter to Maryoku Kyoukyuu | 和saber alter的魔力供给♡

Research Love Make Presentation | Research Lab x Expression

[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]

[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]

Seikyouiku Mama | Sex Education Mama

Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants

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

[Hotel California (Natsuno Suika)] HOTSHOT! (Various) [Digital]

Futanari Kenkyuu Dousoukai | Futanari Research Club

(C81) [Saigado (Saigado)] R-LAB. - Dr. Akagi's individual research lab (Neon Genesis Evangelion) [Chinese] [瓜皮漢化·母系戰士出品@萌夢星君發佈]

Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I

(C76) [Jingai Makyou (Inue Shinsuke)] V Senjou Heaven's Door (Valkyria Chronicles)

Nioitatsu S

Koko ga Kimi no Katachi

[Tendou Kikaku (Tendou Kuon)] bind

Umi to Icha Love Ecchi | Flirty Love with Umi

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

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

[Hotel California (Natsuno Suika)] Kareshi Kanojo No Jijou (Neon Genesis Evangelion)

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

(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report

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

Two Girl's Suck-Suck Research Note

Bowsette's Research

[Gura Nyuutou] Tousaku - Delusion | Delusion Institution Ch. 1-7 [English] [Yuribou]

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

Movie Research Lovers

Research Fellow

(C58) [BLACK DOG (Kuroinu Juu)] GOLD EXPERIENCE (Bishoujo Senshi Sailor Moon) [English]

[ReDrop] Rumble Sisters (COMIC Megastore 2008-09) [English] [Desudesu] [Decensored]

Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club

[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]

(C89) [Happiness Milk (Obyaa)] SanaSuwa Ryoujoku Ganbou II (Touhou Project)

Fellatio Kenkyuubu - Fellatio Research Department

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

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

The Fertility Institution & test rpg

INKA RYOURAN Hatsujou Girls

[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]

Kizuna Power. ∞

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

(C80) [fourthcape (Misaki Takahiro)] Real☆Game (Boku wa Tomodachi ga Sukunai)

[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]

[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]

[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]

[Neko Neko Panchu!] [Momoka Private Girls Institute] [Takako Todo's Punishment Training Record] (Fifth Grade - Yukimi Mochizuki Edition) [English]

[Tempuru] Albedo & Sucrose's Isekai Observation Research Report

大人遊戲

(COMIC1☆8) [Remon no Omise (Furukawa Remon)] Yachiyo-san to Yukumo-san 0 (Monster Hunter)

Delusion Institute 1-3

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

(SC31) [Shin Hijiridou Honpo, Tounantou (Hijiri Tsukasa, Mai)] Souseiseki Hokan Keikaku (Rozen Maiden)

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Milky Syndrome EX 2

(Reitaisai 12) [border rim (Various)] Touhou Muchi Shichu Goudou - Toho joint magazine sex in the ignorant situations (Touhou Project)

Donzoko Shoujo no Uta - Story of the Abyssal Girl

Insect Research Institute 2

Bitch JK Risa-chan no Baai

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

[Gura Nyuutou] Tousaku - Delusion | Delusion Institution [English] [Yuribou] [Decensored]

JS Kenkyuukai | JS Research Seminar

[San Se Fang (Darkmaya)] Mizuho Rennyuu (Kantai Collection -KanColle-) [Digital]

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

Binyuchousain Ayako | Busty Researcher Ayako

[Yukiyanagi] Seijo Gakuen ~Solvielle no Densetsu~ (Saint Woman education institution)

[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!

Umi No Yeah!!Collection

Elementario de Ikimashou!

(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]

[Department Y Research Institute] Bōkoku ōjo no matsuro

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

Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record

[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches

[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report

[Umihara Minato] Saikyou Rape

(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)

[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]

Dance! Tentacle Research Institute

Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章

(C89) [Kuragamo (Tukinowagamo)] MAID IROIRO

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

(C96) [Aniki Otokodou (Kirigakure Takaya)] Tokimeki! High Grade Fundoshi Matsuri! Aratame (KING OF PRISM by PrettyRhythm)

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Fellatio Research Department Epilogue

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

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

[Kawai Shun] Dance! Tentacle Research Institute [English]

Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3

(JOKERKIN) The Fertility Institution (English)

[Department Y Research Institute] Bōkoku Ōji no matsuro

[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】

Twilight's Research | 暮光学习计划

[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]

Kakusa ga Kakudai Shite Onna-tachi no Teisou Gainen ga Houkai Shite Shimatta Sekai

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

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

SUPER FETISH GENERATION

[Matsutou Tomoki] Imouto Scandal Ch. 4 Mei [English] [Poranya] [Digital]

[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]

(COMIC1☆10) [Naruho-dou (Naruhodo)] Nami SAGA 2 (One Piece) [English] {doujin-moe.us}

Dance! Tentacle Research Center - Seedbed-hen

Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~

Oya ni Naisho no Iedex 2 Toshikoshi Hen

(FF35) [MumiStar] 不純異性交往 (Princess Connect) [English] [xinsu]

Suezen Kuwanu wa Hajime no Haji!

(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=

Dance! Tentacle Research Institute

(Reitaisai 14) [Chinchintei (chin)] Saimin Niwashi Kankin Nakadashi (Touhou Project) [chinese] [正义的太阳骑士汉化]

Hinnyuu Myouri

[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]

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

[Saigado] Haken no Muuko-san 12

[Minazuki Mikka] Saseko ~Sore wa Otoko o Dame ni Suru Saikyou Jibakurei~[Chinese]【羅莎莉亞漢化】

Chikan desu yo!! Kashima-chan

(C82) [Diablo (Kudou Hisashi)] Namida no Nadia (Nadia - The Secret of Blue Water)

(C71) [CHRONOLOG, Fururi. (Hinayuki Usa, Sakurazawa Izumi)] Hikari wo Kureru Kimi ni... (Gintama)

Attack on Research

Retsujou Mixture - Animal Passion Mixture

(C63) [MUSASABIDO (Bakuchin)] Research of a maid

[Kaduki Chaie] Kuroyukihime no Manko o Tada Hitasura ni Itamekkeru Manga (Accel World) [English] =LWB=

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

Research of Barnaby Brooks Jr.

[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]