Exploratory Research Design hentai comics

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

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

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

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

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

D4C final

Dungeon's Legion Maou ni Sasagu Official Design Works

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

[Sumeragi Designs (Sumeragi Seisuke)] Meuniere (Fate/Grand Order) [Digital]

(Shuuki Reitaisai 3) [Sumeragi Designs (Sumeragi Seisuke)] D4C final (Touhou Project) [Chinese] [BLUE氪个人翻译]

[KEY TRASH (Hikagi Tatsuhiko)] Wild Princess (GA Geijutsuka Art Design Class)

Zecchou Kenkyuujo | Orgasm Research Facility

Meuniere

(C90) [Sumeragi Designs (Sumeragi Seisuke)] PORNO STAR (Granblue Fantasy)

Self-reliance, exposure fashion designer

(C94) [Tsukushino Komichi (Sugina Fujitaka)] Buin Kanyuu ni wa Kiken ga Ippai!? (GA Geijutsuka Art Design Class)

Dance! Tentacle Research Institute

Dragon Farm Compulsion

[MLC Design House (Maria)] Maid no Mori (Hanaukyou Maid Tai)

[Fully Automatic Public Service Woman (Kobe no Tsukaka)] A book that Proposes designs for sissy tattoos [English][ShujinScanlations]

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

[KEY TRASH (Hikagi Tatsuhiko)] Wild Princess (GA Geijutsuka Art Design Class) [Chinese] [沒有漢化]

(C85) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue (Touhou Project) [English] {doujins.com}

Fellatio Research Department Epilogue

Fellatio Kenkyuubu - Fellatio Research Department

[Department Y Research Institute] Bōkoku Ōji no matsuro

Movie Research Lovers

[MLC Design House (LIN)] BODY TALK 38 (Air)

A book that Proposes designs for sissy tattoos

(C90) [Touge Mine (Fujiko)] Geneki GA Class Nodamiki-chan to Cosplay H-zanmai (GA Geijutsuka Art Design Class)

[Sumeragi Designs (Sumeragi Seisuke)] D4C (Touhou Project) [English] {Sharpie Translations} [Digital]

Manga Research Triangle

[Kanyapyi] Private Design (COMIC Megastore H 2009-05) [English] {Hentai from Hell}

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

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

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

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

[Naitou Kirara] Ready Slime! [Illustration & Character Design Setteishuu Tsuki Denshishoseki Genteiban]

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

[Sumeragi Designs (Sumeragi Seisuke)] D4C (Touhou Project) [Digital]

(Kouroumu 10) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue again (Touhou Project) [English] {doujins.com}

[Rakujin] Abandon-100Nukishinai to Derarenai Fushigi na Kyoushitsu-with Character design & Secret illustration, E-book limited version

(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]

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

D4C

Leave-It-To-Me-Design - Ch. 02

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

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

[Aoi Hitori] Dousoukai | Alumni Association (Bishoujo Kakumei KIWAME 2011-02 Vol.12) [English] [SaHa]

[Tsuki no Mizu Kikaku] Naedoko Dungeon Chronicle Official Design Works

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

(Kouroumu 10) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue again (Touhou Project)

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

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