Research Felatio

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

Yotta Hitozuma ni Oishiku Itadakarete shimatta

(C80) [Mahirutei (Izumi Mahiru)] Cecilia Style (IS <Infinite Stratos>) [English] [RapidSwitch]

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

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

(C89) [Ra-raradan (Ouka)] Touhou Paradise Vol. 4 (Touhou Project)

(C85) [Jitaku vacation (Ulrich)] Ore wa Imouto ni Katenai.... (Kantai Collection -KanColle-) [English] [constantly]

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

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

[Department Y Research Institute] Bōkoku Ōji no matsuro

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

[AHM (Inu-Blade, Lact Mangan)] Kanojo o Nakasenai Youni Suru BK201 no Houhou | BK201's Method To Not Make Her Cry (DARKER THAN BLACK) [English] [Flatopia] [Digital]

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

Kuchibashi_ni_Cherry

Shuumatsu no Gum Chijo

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

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

(CR28) [Bubble Company (Tenteko)] Kodomo Oukoku 8

Insect Research Institute 2

Jikan Teishi de Tanetsuke Choukyou ~Namaiki Onna-tachi ni Fukushuu Rape!~

Swapping Party!!

Beast Trail MesuKemo Shuu

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

Magical Occult Research Girl Defeated

[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

[G-Panda (Midou Tsukasa)] Chijoi Aoi Haruka no Ganki Chiryoushitsu [Digital]

Sekkasshoku wa Suki desu ka? 2

(C47) [T-press (ToWeR)] STAIR II FORTUNE (Bishoujo Senshi Sailor Moon S)

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

(C75) [T2 ART WORKS (Tony Taka)] Botan Nabe (Clannad) [Chinese] [飞雪汉化组] [Decensored]

Research Love Make Presentation | Research Lab x Expression

Garigari 47

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

Childhood's Friend Diet!

[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]

[Ankoman] Tobari (Fiona), Ninmu no tame ni ganbaru (SPYXFAMILY) | Nightfall's Duty-bound Job [English] [Team Rabu2]

(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]

[Dramus] Kurokami no Ko NTR Manga

Research Fellow

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

Jijing no Uni to Tori ga Hikkurikaette Jijing to Jici de Oosawagi Suru Yatsu

(C78) [EPI (Tatsumi Neon)] A square Ⅲ (Ragnarok Online)

[Doronuma Kyoudai (RED-RUM)] Futa On Dai-Yon Shou | A Certain Futanari Girl's Masturbation Diary Ch.4 - FutaOna 4 [English] [2d-market.com] [Decensored] [Digital]

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

Moushiwake Arimasen.

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

The Yuri & Friends Full Color 07

[viento campanilla (Suzuhane Suzu)] Shimamura Uzuki no Nikutai Settai ~Mishiro Joumu ga Idol Gui Daisuki Ero Oyaji datta Sekai~ - Producer do not know Uzuki Shimamura of sexual favors... (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

Himekawa

Dance! Tentacle Research Institute

Hitozuma Saichoukyou Nisshi

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

(C81) [pooca (Nora Shinji)] Sennou Choukyou no Puppet (Steins;Gate)

[Thrylos (Suu)] Minazuki-san to Hanayome Shuugyou (Emil Chronicle Online) [Digital]

Futanari Kenkyuu Dousoukai | Futanari Research Club

(C83) [life (Haga Yui)] SMILE DEBUT (Smile Precure!)

Two Girl's Suck-Suck Research Note

Manga Research Triangle

[Neko to Hato (Hatoya)] Que sera sera (Kiddy Grade) [English]

[Department Y Research Institute] Bōkoku ōjo no matsuro

Binyuchousain Ayako | Busty Researcher Ayako

(C93) [Beicon (Beijuu)] Thoroughbred Early Days (Kemono Friends)

[Healthyman]

An Angels Duty14 - Our Beloved Mother Superior

To Love-Ru - Selfish Ch3

[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

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

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

(C87) [Kokonokiya (Kokonoki Nao)] BATEMARA + Paper (SHIROBAKO)

(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

[kanabun] パパっ子倶楽部 [進行中]

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

Okoi Omakebon Vol-04

[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]

Panpan Yawaraka Ecchi Ana

(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]

[Uniman] Lost Virgin

[Kazasuzu] PuriPuri Mermaid 1

[Kisetsu no Tawamure] Sosou Furyou 2

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

(C88) [Kanten Jigenryuu (Kanten)] ZE-EN Kyou Taiken Nyuushin (Granblue Fantasy)

(C67) [YOKOSHIMAYA. (Yokoshima Takemaru)] LOVE LOVE CASTER (Fate/stay night)

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

oshietekudasai！arisukun How to G

[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.

[RaTe] Penis-sama’s Powers 1-3 (English)

Aoi Mio Tabeta

[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

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

Bowsette's Research

Roshutsukurū-chan 2

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

[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

(Reitaisai 16) [Nanmin Festival (Gibuchoko)] Komeiji Shimai no Docchi no Eroi Show (Touhou Project)

[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]

[Miyanchi (Miyagoe Yoshitsuki)] Douse Ore no Seishun Love Come wa DT de Owatteiru. | 最後，我的青春愛情喜劇以童貞收尾。 (Yahari Ore no Seishun Love Come wa Machigatteiru.) [Chinese] [Decensored] [Digital]

[BIG BOSS (Hontai Bai)] Nodoka to Yue no Mahou Shoujo Biblion (Mahou Sensei Negima!) [English] [H4chan]

[REI's ROOM (REI)] EIN REENCOUNTER (Mahou Shoujo Lyrical Nanoha) [Chinese] [2007-07]

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]

(C94) [Kunseidou (Bacon)] Chaldea NTR Nanpa Beach (Fate/Grand Order)

Fellatio Research Department Epilogue

Twilight's Research | 暮光学习计划

[Furitendou] Uraroji no Bitch Jidou Hanbaiki de Classmate o Katte Mita

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

GLORYHOLE

JS Kenkyuukai | JS Research Seminar

シてるの、見せて

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

[Matsumoto Drill Kenkyuujo] Super Robot Taisen Immoral (Super Robot Wars)

Chaldea Heaven Shishou Shishou

Bishoujo Senshi Gensou - Pretty Heroine Time vol. 5

[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

Mushikan Fuuzokuten

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

COMIC LO 2010-05 Vol. 74

Dance! Tentacle Research Institute

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

(C91) [ANCHOR (Mutou Mato)] MY LITTLE MAID .03