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

[LIN] Futago Shimai-chan no Yuri Seikatsu (5) | Twin Sisters' Yuri Life (5) [English] [Hikari no Kaze]

Twilight's Research | 暮光学习计划

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

Narmaya Onee-chan to Soine Shitai! | 想要娜爾梅亞姐姐陪睡!

Binetsu Emotion - Sensual Emotion | 媚熱情慾誘惑

Research of Barnaby Brooks Jr.

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

Manga Bangaichi 2014-01

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

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

Sensei Urusai

Suzuya to Ayashii Saimin Appli | Suzuya And The Suspicious Hypno App

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

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

Dance! Tentacle Research Institute

Kanjuku Kunren

(Shota Scratch 11) [Akutaya (Akuta Tomoya)] Kaeshite! Shiro Briefs - Return! White briefs (Summer Wars)

[Hinasaki Yo] Nogusa no Uta | A Wild Flower's Poem (COMIC Kairakuten BEAST 2014-09) [English] [Noraneko]

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Futari no Koto.

Fellatio Kenkyuubu | Blowjob Research Club

(C69) [Iiwake-Gaisya (Shigemiya Kyouhei)] Zeopai! (Super Robot Wars)

HYPNO BLINK Ver.2.0

Gojussai Sugi no Obasan na noni Sanjussai Ijou Toshishita no Ikemen Kareshi ni Dekiai Sarete Tsurai

[Asanoya (Kittsu)] Seishin Houkai suru made Kusugurimakutte Ryoujoku shite miru Test VIII - Ore Otoko nanoni Shokushu Jigoku ni Maicching no Maki (Ore, Twintail ni Narimasu.) [Digital]

Two Girl's Suck-Suck Research Note

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

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

[Sakai] Seikoui Jisshuu Part.1 [Chinese] [天希个人汉化]

(brilliant days) [Thief Cat (NORIKO)] Ore no Kawaii Onaho Senpai 4 (Ensemble Stars!) [Chinese]

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

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

Attack on Research

Research Love Make Presentation | Research Lab x Expression

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

[OKINA] Zoku·Katei-Gata Shojo-san (Yoru no Kaeru Oto) [夜空个人汉化]

(COMIC1☆6) [Misty Isle (Sorimura Youji)] Chibi Gal no Passion wo Uketomero! (THE IDOLM@STER CINDERELLA GIRLS)

VR Ichinose Shimai

(COMIC1☆8) [Kouhuku Shigen (ryokutya)] Pro ni Manabu Teisoutai Kanrijutsu (Saki)

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

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

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

(CR20) [Sanketsushuu (Sanzui)] bakatte itte rurichan (Martian Successor Nadesico)

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]

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

(SC60) [momoirohoppe (Rei)] Namiiro Gargantia (Suisei no Gargantia)

Meda ○ eroticism comic

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

(COMIC1☆4) [SAZ (soba, Soukurou)] Hakuryu Kachou | White Dragon Splendid Butterfly (Koihime Musou) [English] {doujin-moe.us}

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

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

[Shichiyou Souryuujin (Soushin Souma)] Oreteki Blizzard Crash (Fate/stay night)

Inyoku ni Shizumu, Shimai Elf

Movie Research Lovers

[Tinker Bell] Hobosan to Issho! -Futago to dekirumon- from BugBug Comic

Zecchou Kenkyuujo | Orgasm Research Facility

Dance! Tentacle Research Institute

Anta no seiyoku, zenbu watashi ni butsuke nasai ~tsu!

Fukushuu Saimin Rikai SEX | Revenge Hypnotic Understanding SEX

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

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

Osiire Husiana Otokoana

Fellatio Kenkyuubu - Fellatio Research Department

[Department Y Research Institute] Bōkoku Ōji no matsuro

Research Fellow

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

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

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Binyuchousain Ayako | Busty Researcher Ayako

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