Inclusion Criteria Research

(C99) [CRAFT (Kiliu)] Kaijou Gentei Hon Higurashi yu Okashi-hen (Higurashi no Naku Koro ni) [English] [MrBubbles]

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

[Studio Gale] Lady Garden Ch.1-36 (English) (Ongoing)

Kono Koi o Ushiro kara Kazoetara?

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

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

JS Kenkyuukai | JS Research Seminar

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Besuto Kappuru no Jouken | Best Couple Criteria

Ore to Tamamo to Homeroom

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

Shuumatsu Koibito Yukarin

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

Research of Barnaby Brooks Jr.

Nokorimono Niwa Fuku ga Aru !?

(C80) [PJ-1 (PJ-1)] Misato to Ritsuko Monzetsu Misoji Yuugi (Neon Genesis Evangelion) [English]

Fellatio Kenkyuubu | Blowjob Research Club

[Simajiya (Shimaji)] mamanoinumani HiAce [Digital]

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

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

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

(C90) [RIN (Mochi)] Xenogears no Eroi Rakugaki Bon Soushuuhen (Xenogears) [Sample]

Haruka 18 All Inclusive!!

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

FUROHILE Jitaku no Furo ni Hairu to Saki ni Shiranai Hadaka no Onna ga Haitteru

(我、夜戦に突入す!5 轟雷) [トロピカルすだち (衝撃の平山)] 雌艦浜風 (艦隊これくしょん -艦これ-)

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

[Suzuki Dogezaemon] Mushi Mezuru Himegimi 1 (Nausicaä of the Valley of the Wind) [English] [Mant] [Digital]

おかしい

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

Attack on Research

[YellowSeed (イエローシード)] 萬能ま○こ416ちゃん(イエローシード・インHK416) (少女前線) [DL版] [chinese]【基德漢化組】

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

Futanari Kenkyuu Dousoukai | Futanari Research Club

MamaSand - Sandwiched between moms

[MC] Moshimo Saiminjutsu de Doukyuusei no Joshi o Okasu Koto ga Dekitara. | You Can Violate Your Female Classmates if You Hypnotize Them. [English] [doujin-moe.us]

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

Chouhouin Garnet | Secret Agent Garnet

Study and practice about bird TF

COMIC HOTMILK 2015-03

(C86) [Manjudou (Tsukishiro Saya)] Chaika-chan no Ecchi na Hon. (Hitsugi no Chaika)

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

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

[Kon-Kit] Kaya-nee to Ryokan no Musuko (Comic Toutetsu 2015-08 Vol. 6)

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

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

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

Kaguya-sama ni Nozomitai

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

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

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

(C79) [Eight Beat (Itou Eight)] NO MORE HEROINES 2 (NO MORE HEROES) [English] {doujin-moe.us}

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

[Kamitou Masaki] Mahou no Keisatsu Magical Police

Fellatio Kenkyuubu - Fellatio Research Department

Osananajimi wa Ore no Senzoku Okuchi Maid 1-5

Otokonoko Yuusha to Maou ga Isekai Tensei shite Byutte suru

Koitsu ni dake wa Kanawanai | I Just Can't Win Against This Guy

Urinal Bitch! | La salope de l'urinoir

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

(COMIC1☆3) [Kohakutei (Sakai Hamachi)] Tomokare (Amagami) [English] [Sandwhale]

(C73) [Pico Pico Labyrinth (Fujisaka Lyric)] Magical Prism (Quiz Magic Academy)

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

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

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

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

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

[Department Y Research Institute] Bōkoku Ōji no matsuro

Nonbiri Kemonomichi Bangai-hen Kishu Tokushū

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

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

(Tora Matsuri 2015) [Public bath (Izumi Yuhina)] Himitsu no Kyoushitsu (Gochuumon wa Usagi desu ka?) [English] [Jojo]

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

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

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

(C93) [Shimanto Seiryuu (Shimanto Youta)] ULTRA-REFLE (Pokémon Black and White) [English] [BSN]

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

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

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

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

(COMIC1☆11) [Kleitos (Ryunosuke)] Kasshoku no Nyokenshi Tione ~ Akuochi Sen'nou Shokushu Zetchou Jigoku ~ (Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka?)

[Anthology] Otoko no Ko-llection! II

Binyuchousain Ayako | Busty Researcher Ayako

Manga Research Triangle

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

[Hatoba Akane] Maken no Elena ~Katte no Omoibito ni Takusareta Ko to no Koi ni Ochiru Majo~ Ch. 1, 3-4 | High Wizard Elena ~The Witch Who Fell in Love with the Child Entrusted to her by her Past Sweetheart~ Chapter 1, 3-4 [English][CuturedCommissions]

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

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

Tsuri Ski

Magical Occult Research Girl Defeated

Research Love Make Presentation | Research Lab x Expression

[Naruko Hanaharu] Namadashi Generation [English] {Hennojin}

[MOON&MAPET (Usagi Kei, Kanimori Guri)] Fruits Machine (Saber Marionette J)

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

[Unknown (UNKNOWN)] Yogari Sugite Okashiku Narisou 3

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

(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]

Fellatio Research Department Epilogue

Dance! Tentacle Research Institute

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

(C88) [Jitaku Ijouari! (Neet)] Elichi o Okasu dake no Omakebon (Rabu Raibu!) | Elichi Only Rape Bonus Book (Love Live!) [English] {defski}

[Karura Shou] A. Ko. Ga. Re

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

Dance! Tentacle Research Institute

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

はるか18All Inclusive!!

[Rampancy (Bakko)] Koisuru Neko to Yukemuri to Boku | Me, the steamy bath, and a cat that fell in love(Nekomata Okayu) [English] [Tamamo] [Digital]

Two Girl's Suck-Suck Research Note

[Auroramix (Shigekix)] Maru Yoku Switch (Kantai Collection -KanColle-) [Digital]

Seiyoku Ousei na Ajin Senyou Gakkyuu ni Danshi Seito wa Ore Hitori・Dark Elf JK Hen

(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]

Insect Research Institute 2

(CCTokyo144) [Pigeon (Fujibato Yoyo)] Shuurai (Kimetsu no Yaiba)

Onnanoko Nandazo...