Citing References Research

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

(Mimiket 9) [Mizuiro Zennmai (Dori Rumoi)] Nayayoshi 5 (Mermaid Melody Pichi Pichi Pitch, Tokyo Mew Mew)

EXCITING 90's

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

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

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

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

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Bowsette's Research

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

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

Sanko ni Sasete! | Let Me Use You As Reference!

[Equal] OL-san no Dokkidoki Nyannyan Densha | OL-sans Exciting Make-out Train (Comic Masyo 2009-06) [English] [biribiri] [Decensored]

[Equal] OL-san no Dokkidoki Nyannyan Densha | OL-sans Exciting Make-out Train (Comic Masyo 2009-06) [English] [biribiri]

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

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

(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]

[inkey] Himitsu no Shiryoushitsu | The Secret Reference Room (Inbi Temptation) [English] {doujin-moe.us} [Decensored]

Natsume's Exciting Day and Night

(C80) [Abradeli Kami (Bobobo)] ○○-san no Oppai ga Mitai hon 2 | The Reader Just Wants to See Your Tits Book 2 (Various) [English]

Fellatio Kenkyuubu | Blowjob Research Club

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

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

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

[Minasuki Popuri] Lulalula Room Ch.1 Exciting Switcheroo [English] {5 a.m.}

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

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

ツムギEXCITING SUMMER

[Hito no Fundoshi (Yukiyoshi Mamizu)] EXCITING REFLEXOLOGY [Chinese] [含着个人汉化] [Digital]

[Ukatsu de wa Nai (noukatu, Minase Kuru)] Tsumugi EXCITING SUMMER (THE IDOLM@STER MILLION LIVE!) [Digital]

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

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

Tsumugi EXCITING SUMMER

Alice no Himegoto

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

Exciting Cum Live Broadcast

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

Research Fellow

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

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

[Ailail (Ail)] Suki ja Nai ko to Sex Shita Hou ga Koufun Suru Setsu | It's Exciting to Fuck a Girl You Don't Love [English] [KittyKatMan]

[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]

Two Girl's Suck-Suck Research Note

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

Onna Ninja no Dokidoki Hatsu Ninmu | A Female Ninja's Exciting First Mission

(SC58) [Sorairo March (Narusawa Sora)] Omoshiroi, Watashi o Haramasete Miro | How Exciting, I Dare You to Impregnate Me (To LOVE-Ru Darkness) [English] {doujin-moe.us}

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

Epic plan for an exciting bath!

Movie Research Lovers

Eruru no Dokidoki Dildo Onanie | Eruru's Exciting Dildo Masturbation Session

EXCITING REFLEXOLOGY