Inclusion Criteria Research

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

(C90) [MOON RULER (Tsukino Jyogi)] Haruka 18 All Inclusive!! (Amagami)

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

Zecchou Kenkyuujo | Orgasm Research Facility

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

[runningpig] FGO Kangokuchou Medb-chan to Fergus, Tokuiten Connacht no Hitonatsu (Fate/Grand Order)

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

Yoi

Dance! Tentacle Research Center - Seedbed-hen

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

JS Kenkyuukai | JS Research Seminar

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

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

Fellatio Kenkyuubu - Fellatio Research Department

(SC33) [Daihonei (TYPE.90] EMPIRE HARD CORE 6 (Various)

(Reitaisai 9) [Soronosanchi (Sorono Wa Soro)] Netsubyou (Touhou Project) [English] [CGrascal]

Karuma Tatsurou - My Special Wake Up Call (Eng) pYaoi Shota]

Iinari Saimin Shameimaru

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

[Tamabi] Besuto Kappuru no Jouken | Best Couple Criteria (COMIC Anthurium 2022-02) [English] [Nisor] [Digital]

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

LOVELOVE SWEET

[Poyeop] Ayaka (Genshin Impact) [English][LunaticSeibah]

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

ウタゲと海で編

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

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

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

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

(C89) [Youmusya (Gengorou)] U are my sweet (Kantai Collection -KanColle-)

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Bitch na SeFri no Tsukurikata

(Shuuki Reitaisai 5) [Hirojuu Renshuuchou (Hiroya)] Koumakan no Goshujin-sama (Touhou Project) [Chinese] [慶祝插件死去古戰逃兵漢化]

(C87) [Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 511 shou -Kyokujou★Shota Zenritsusen Goumon Kenkyuusho・Shounen ShaseiKei- [English] [B.E.C. Scans]

Dance! Tentacle Research Institute

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

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Research Love Make Presentation | Research Lab x Expression

[Littlemare] fragile [Digital]

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

(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]

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

[Department Y Research Institute] Bōkoku Ōji no matsuro

[KKUN &INSANE] Love Parameter 恋爱辅助器 80-82 [Chinese]

Twilight's Research | 暮光学习计划

Dance! Tentacle Research Institute

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

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

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

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

(C89) [Kazuya (Yoshiura Kazuya)] Urahon [Chinese] [脸肿汉化组]

[IRON GRIMOIRE (SAKULA)] Kabe Chie (Persona 4) [Digital]

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

(C92) [corori (Yopparai Oni?)] Daikan love ~ Dia to Ecchi suru Hon! (Love Live! Sunshine!!) [English] {Sankaku Scans}

MM No. 64

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

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

[Kanzarin] Kongetsu no Ero manga

[Itou Nanami] Like a LOVEDOLL ~Dakara, Nan demo Shite Ageru~ | Like a Lovedoll～所以說、無論什麼要求都可以～

Besuto Kappuru no Jouken | Best Couple Criteria

Movie Research Lovers

Two Girl's Suck-Suck Research Note

Ikusen no hoshi ni idakarete

(C77) [Homunculus] White Lie (Neon Genesis Evangelion)

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

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

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

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

Inma-chan wa Gaman Dekinai

Futanari Kenkyuu Dousoukai | Futanari Research Club

(COMIC1☆3) [TETRODOXIN (Nise Kurosaki)] Zettai Karen Shoujo Q2 (Zettai Karen Children) [English] {doujin-moe.us}

[Shizuki Shinra] Hatsujou Haha Ryouko | Horny Mom Ryouko [English] [friggo]

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

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

ByakuAn no Megami-tachi _Animated GIF-p2

[MOON RULER (Tsukino Jyogi)] Haruka 18 All Inclusive!! (Amagami) [Digital]

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

Fellatio Kenkyuubu | Blowjob Research Club

Insect Research Institute 2

(Chousa Heidan no Renai Jijou) [Arabic Yamato (Asaisai)] Hajimete Doushi (Shingeki no Kyojin)

Research of Barnaby Brooks Jr.

[San Se Fang (Mao Fa Bao)] Tenken [Chinese] [Digital]

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

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

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

Manga Research Triangle

[Ninniku(Kari)] Chinko Youmu x Futsuu Yuyuko no Tekoki Manga (Touhou Project)

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

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

[Shiina] Noraneko Shoujo to no Kurashikata (Ch.6-9) | Living Together With A Stray Cat Girl (Ch. 6-9) [English] [obsoletezero]

(SC2017 Winter) [Noraneko-no-Tama (Yukino Minato)] Hikari no Kimi no Saganaki Keikaku <Yuugao> [Chinese] [嗶咔嗶咔漢化組]

Binyuchousain Ayako | Busty Researcher Ayako

(C92) [DANGER=ZONE (Tokita Monta)] DT o Korosu (Hazu datta) Beatrix Bon (Granblue Fantasy)

[Department Y Research Institute] Bōkoku ōjo no matsuro

Shikata Naiyo Otokonoko Damon ne

[Toguchi Masaya] Assassin's Foolery (Toushin Engi Vol. 7) [English] [biribiri]

Attack on Research

Crystalloid no Ganbou

[Studio Wannabe] Rental Girls | 出租女郎 Ch. 33-58 [Chinese] 第二季 完结

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

(C83) [Tiramisu Tart (Kazuhiro)] Datte Onii-chan no Koto ga Daisuki nanda mon | After All, I'm in Love With Onii-chan (Sword Art Online) [English] {doujin-moe.us}

(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]

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

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

(C85) [dam labo (dam)] Bitch na Mutsu-chan no Saishu Ninmu (Kantai Collection -KanColle-) [Chinese] [沒有漢化]

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

[Dekosuke] Asa no Running Fuuro-Chan (Pokémon) [English] {Doujins.com} [Colorized] [Decensored]

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

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

はるか18All Inclusive!!

[Michiru Chikasato] Hitori Asobi Ch.4,7,9,11,12 [English]

[Over.J, Choi Tae-young] Learning the Hard Way 2nd Season (After Story) Ch.1/? [English] [Manhwa PDF] Ongoing

Osana Tsuma Rurumu-chan

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

(C66) [Unagi no Nedoko (Nakano)] RING OUT (Various)

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

Suki tte Itte yo

(COMIC1☆3) [Cotojikan (Cotoji)] Hitomi no Naka no Sora (Dragon Quest V)

Research Fellow

(Futaket 12.5) [Gekkou Tei (Seres Ryu)] Nyotaburu 4 ~Irestill Oukoku no Ryuukishi~ (Granblue Fantasy)

DARKNESS HOUND 8

Eigetsu no Kemono

[Hatahata Factory (Kotoyoshi Yumisuke)] XXX II (Dead or Alive) [English] [incomplete]

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

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

[Nanairo Shichihenge (Lantana)] Kinoko tabetara nanka haeta!

Magical Occult Research Girl Defeated

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

魔法でエッチのお勉強!

[SANB. (Ryusei)] "Sama" o Otsukenasai! (Koihime Musou)

Gal ni Amaete Miru?

外部家族子作り計画

Welcome Sashachang Sasha-chan ga Youkoso | Welcome Sashachang小莎夏來造訪❤

Fellatio Research Department Epilogue

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

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

Zero Tama!