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

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

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

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

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

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

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

A book that Proposes designs for sissy tattoos

Enquête de Henshinato no Design ga Kawaru !

Futanari Kenkyuu Dousoukai | Futanari Research Club

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

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

Bowsette's Research

Dance! Tentacle Research Center - Seedbed-hen

[COCOA] BOUNTY HUNTER GIRL vs FASHION DESIGNER Ch. 4 [Chinese]

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

SSSS.DYNAZENON GRIDMAN UNIVERSE CHARACTER CONCEPT DESIGN

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

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

(C90) [Ikariya Koubou (Ashita Ikariya)] GA Bijutsu-bu Fuufu Dokuhon Nyuuyoku-hen (GA Geijutsuka Art Design Class)

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

Manga Research Triangle

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

(C85) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue (Touhou Project)

Self-reliance, exposure fashion designer

[Eriaru99 (Shachiku)] Noda Miki Eromanga (GA Geijutsuka Art Design Class)

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

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

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

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

[Shitoalice] ON THE LINE (Neon Genesis Evangelion)

(SC6) [MLC Design House (LIN)] TWIN SIGNAL (Hikaru no Go)

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

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

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

D4C continue

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

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

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

Enquete de Henshingo no Design ga Kawaru!

BOUNTY HUNTER GIRL vs Re:FASHION DESIGNER Ch. 13

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

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

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

[Meme50] Mizugiwa Sabotage | Sabotage at the water's edge [English] [Decensored]

Enquête de Henshinato no Design ga Kawaru !

BOUNTY HUNTER GIRL vs FASHION DESIGNER Ch. 4

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

Zecchou Kenkyuujo | Orgasm Research Facility

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Leave-It-To-Me Design - Ch. 01

Enquête de Henshinato no Design ga Kawaru !

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

Research of Barnaby Brooks Jr.

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

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

(C86) [Sumeragi Designs (Sumeragi Seisuke)] Ninja Acme Shock - Sendai-Kaini in Flames (Kantai Collection -Kancolle-)

Dance! Tentacle Research Institute

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

[坐磨屋ミロ×鈴川アキナ] 新人バイトはHカップ～もしもアルバイト先の新人が押しに弱い巨乳娘だったら… 第01-07巻

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

D4C

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

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

Fellatio Research Department Epilogue

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

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

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

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

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

Ninja Slayer Novel Character Design Collection

D4C final

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

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

(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]

JS Kenkyuukai | JS Research Seminar

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

Fellatio Kenkyuubu - Fellatio Research Department

D4C continue again

[Anthology] Angel Halo Vol.2

Dungeon's Legion Maou ni Sasagu Official Design Works

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

Dance! Tentacle Research Institute

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

Research Love Make Presentation | Research Lab x Expression

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

Hatsujo MuchiMuchi Girl Melonbooks Kounyuu Tokuten Kakioroshi Illustration & Character Design Shuu

Fellatio Kenkyuubu | Blowjob Research Club

Research Fellow

Meuniere

Attack on Research

Twilight's Research | 暮光学习计划

[Naitou Kirara] Ready Slime! [Illustration & Character Design Setteishuu Tsuki Denshishoseki Genteiban][Chinese][打打计数君个人汉化][Digital]

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

[Sumeragi Designs (Sumeragi Seisuke)] D4C (Touhou Project) [Chinese] [基德漢化組] [Digital]

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

Movie Research Lovers

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

Zecchou Kenkyuujo 2 Orgasm Research Facility 2