Research Operationalization porn

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

[Carn] Dere Nochi Torare [Decensored]

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

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

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

Dance! Tentacle Research Institute

Attack on Research

Magical Occult Research Girl Defeated

Kusuguri Goumon Teikoku 2

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

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

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

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

[Haniya (Hanini)] Anzu-chan Omochikaeri (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

Research Love Make Presentation | Research Lab x Expression

[Akiyama Production (Mikazuki Shikou)] Train Hunter 3 (City Hunter)（chinese）

Bowsette's Research

Two Girl's Suck-Suck Research Note

[Onna ni Yoru Onna e no Ryoujoku] OL Hitomi Jigoku no Fukushuu Shuuchi Zeme ~Onna Joushi wa Buka no Kanchou Dorei~ Kouhen

Fellatio Research Department Epilogue

Twilight's Research | 暮光学习计划

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

(C87) [Panda ga Ippiki. (Komizu Miko)] Kitakami-san to Teitoku ga Isshoni Kurasu Ohanashi. (Kantai Collection -KanColle-) [Chinese] [瓜皮子萌萌哒&无毒汉化组]

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

Research Fellow

Homestay Daydream Series No. 7

(C92) [Kaze no Kotowari (Kazamitiu)] Iowa to to Mechamecha Ecchi Suru Hon (Kantai Collection -KanColle-)

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

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

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

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

(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]

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

(SC35) [Yuugen Jikkou (Gonzaburou)] Gecchi Yuuto (Touhou Project)

Zecchou Kenkyuujo | Orgasm Research Facility

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

Research of Barnaby Brooks Jr.

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

[Touno Itsuki] Off Limit [English] [desudesu]

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

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

不知火舞被自己的菊花勒死的可笑末路

COMIC Reboot Vol. 29

[Kunisaki Kei] Umi demo! Iinari Housekeeper (Kodomo Datte H Nano) [Chinese] [鬼畜王汉化组]

Haraguro Megane no Tokoro ni Iru (Ansatsusha) ga Kawaii

Musume ga Furyou ni Otosarete Ita

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

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

Sukesuke sensei o kansatsu

宵闇の星

(C87) [Minori Kenkyuujo (Minori Kenshirou)] Calpis no Awa

[Hanpera] Mazekoze Fuufu (Web Haishin Gekkan Tonari no Kininaru Oku-san Vol. 030) [Chinese] [Digital]

Moving Family [English] [Rewrite] [EZ Rewriter]

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

Dance! Tentacle Research Center - Seedbed-hen

[Taketombo (Naba)] Chieri-chan ni Hyoui Shite H Suru Hon (THE IDOLM@STER CINDERELLA GIRLS)

Kazoku Keikaku 2 | Family Planning 2

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

[Dagashi] Shisen no Saki AFTER (Junketsu no Owaru Hibi) [English] [jhenier13]

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

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

[Ether] Athlete In Stadium Ch. 1-2

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

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

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

SWEET MAGIC II

(C82) [Dairiseki (Hakaba)] Inyoku no Yami | The Darkness of Lust (To LOVE-Ru) [English] {doujin-moe.us}

(C78) [dicca (Suemitsu Jikka)] Korizu ni Josou Shounen Hon 4 - Norowarehime

Nyuusan Shoujo I+II | Lactic Girl I+II

Mou Doudemo Ii ya

Spotlight 2

(COMIC1☆2) [JACK-POT (Jyura)] Mo... Mou Yurushite yo... Yuusha-sama (Dragon Quest III)

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

(C89) [Kaiyuu Kikaku (Suzui Narumi)] Kyou wa Motto Issho ni Isasete (Kantai Collection -KanColle-)

(C88) [Shimoyakedou (Ouma Tokiichi)] N.G play (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [鬼畜王汉化组]

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

(C84) [Ninokoya (Ninoko)] Kirigiri-san, Sore wa Biyakudayo!! (Danganronpa) [English] {desudesu}

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

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

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

Movie Research Lovers

(C95) [S Shoten (3e)] No Surprises (THE IDOLM@STER)

[EKZ] Devil's Playground [English]

人形堕戀語 東方Project

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

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

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

[Mokusei Zaijuu] A Virgin's Netorare Rape and Despair ~Hyougo Edition~ (COMIC Maihime Musou Act. 02) [English] =LWB=

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

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

(C75) [Mahjong Yugen Co Ltd 58] Kuma ga Bishounen te nai yo ne!! (Persona 4)

[Department Y Research Institute] Bōkoku ōjo no matsuro

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

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

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

Heibon-kei E

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

[Circle Ohigetan (Ohigetan)] Ohigebon-47 60 Pun 10000gil ni Narimasu☆4 | Ohigebon-47 60 Minutes for 10,000 Gils☆4 (Final Fantasy) [English] [cutegyaruTL]

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

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Oji Saimin 2 Oji-san Fusoku de Hatsujouki ga Tomaranai Meikko no Nonstop Semen Shiboritori Gyaku Rape

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

Ore no Mono ni Natteyo

Insect Research Institute 2