Research Felatio

[Hariken Ryuu] Gekisatsu! Uchuuken (1)

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

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

Taimabu S4 Gesuidou Hen 5-2

(C94) [PYPYworks (Syamonabe)] PY2 (Azur Lane)

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

No Make Girl2 - Hold Me Tightly

Konna Shumi demo Suki de Ite Kuremasu ka

[Narushima Godou] Prolog + Falsehood Ch. 1-5

Mother incest image

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

Itoko ga Boku o Suki Sugiru

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

Toad TF Manga

[Kudara Naizou] Onnanoko De Et Cetera Ch.1-2 [English][Sling]

[Department Y Research Institute] Bōkoku Ōji no matsuro

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

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

(C59) [M-10 (Kurokawa Mio)] E x Ro Toshokan (Kokoro Library)

Hatsujou LOVE

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

XXXXXHOOD's END

(Oagari yo!) [Lemon Manjuu (Liche)] Koi ga Hajimaru Recipe (Shokugeki no Soma)

Girls forM Vol.19

(C78) [Mirin (Umino Yayoi)] Otona no Omocha

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

Insect Research Institute 2

獣人ライフがはじまります

Kijoui - Medusa/Rider

(C93) [INSERT (KEN)] Boku dake no Bakunyuu Ona-Maid ni Natte Shimatta Belfast (Azur Lane)

[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Chocolat Haijo Irai 01 (Kirakira PreCure a la Mode) [Digital]

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

Magical Occult Research Girl Defeated

Tonari no Minano Sensei Vol 2 - Chapter 9

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

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]

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

[Takemasa Takeshi] Haitoku Insanity [Chinese]

Research Love Make Presentation | Research Lab x Expression

Artist - LOURKANDA twitter

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

[Marugoshi] Shiroko to Mizugi Ecchi (Blue Archive) [Chinese]

[valssu (Charu)] Roshutsu Shoujo Nikki 9 Satsume [Digital]

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

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

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

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

Research Fellow

[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?

[Hinasaki Yo] Fukurou no Yakata - Owl's Mansion (COMIC Kairakuten BEAST 2017-08) [Chinese] [前线作♂战♀基地] [Digital]

[Halfpricecelebr] Miki to Rejibukuro Mizugi Sono (THE IDOLM@STER)

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

Hatsuho-chan no Susume

[Hiiragi Nozomu] Nakasete Yaru yo Yankee-kun | I'll Make You Cry Ch. 1-5 [English] [Digital]

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

Dance! Tentacle Research Institute

PERFECT HARMONY

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Otouto no Musume | My Little Brother's Daughter

Kunoichi in bouchou

Futanari Kenkyuu Dousoukai | Futanari Research Club

(C92) Little sister with grande everyday 2 [Chinese] [沒有漢化]

Two Girl's Suck-Suck Research Note

Tsuyu, Natsufuku, Apart nite

Manga Research Triangle

[Department Y Research Institute] Bōkoku ōjo no matsuro

Binyuchousain Ayako | Busty Researcher Ayako

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

CHOUZETSU! Fantastic | 초절! 판타스틱

(Winning Shot 7) [pobee (Gurasuke)] Haruichi Chichi (Daiya no Ace)

(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report

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

zettai konyoku sengen!

(Reitaisai 10) [Koniro Drops (Morishima Kon)] Sakyuya-san no Koumakan Tabetsukushi Gourmet Tour (Touhou Project)

[GONTA] Paizuri Arimasu (COMIC1☆10)[Digital]

(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]

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

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

[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Sunny Ankoku Hentai 03 (Smile Precure!) [Digital]

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

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

Dance! Tentacle Research Center - Seedbed-hen

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

(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]

(C92) [Kawaraya Honpo (Kawaraya A-ta)] Lovey Dovey (Shinseiki Evangelion)

(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]

[Merkonig] B-Trayal 39 Marin Kitagawa (Sono Bisque Doll wa Koi o Suru) [流木个人汉化]

Ganbaru Ensign

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

(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6 [Chinese] [无毒汉化组]

Gyaku Rape! Galmatic Tengoku / Reverse rape! Gyaru street heaven

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

Kaga Dere

[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]

Research of Barnaby Brooks Jr.

Fondle Lollipop #3

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

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

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

COMIC TENMA 2005-05

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

Bowsette's Research

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

[Fatalpulse (Asanagi)] Victim Girls 14 -Sleeping Beauties- (Sword Art Online) [English] [2d-market.com] [Decensored] [Digital]

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

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

(C77) [NiseMIDIdoronokai (Ishikei)] 2006 nen Fuyu kara 2009 nen Haru made Matomemashita Color Hon Soushuuhen 3 no Omake (Various)

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

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

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

Attack on Research

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

Zecchou Kenkyuujo | Orgasm Research Facility

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

Fellatio Kenkyuubu | Blowjob Research Club

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

Fellatio Research Department Epilogue

Twilight's Research | 暮光学习计划

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

TS Kaihen Appli de Risou no Bitch Gal ni!

JS Kenkyuukai | JS Research Seminar

[Monochroid] Spy Management [Chinese] [白菜汉化组]

(C92) [Uruujima (Uruujima Call)] Futari ni Full Chain (Granblue Fantasy)

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

[Aya] Nao-chan no Honban dake Mitai Hito

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

Fellatio Kenkyuubu - Fellatio Research Department

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

(COMIC1☆4) [Windtone (Safi)] Lolicana 2 (Arcana Heart)

Dance! Tentacle Research Institute

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

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

[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]

Movie Research Lovers

Saimin Nyotabrem

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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