Citing References Research

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

[kisachi] Eshi no Imouto to Ero Ero Ecchi (Eromanga Sensei)

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

(COMIC1☆5) [TETRODOTOXIN] Exciting Sex-Ed (Hokenshitsu no Shinigami) [English] [Doujin-Moe]

Tsumugi EXCITING SUMMER

Futanari Kenkyuu Dousoukai | Futanari Research Club

(C92) [Sakurai Dai Energy (Sakurai Energy)] Dokidoki Suiren Massage | An Exciting Swimsuit Massage (Pokémon Sun and Moon) [English] {Doujins.com}

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

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

Complete Offline Photo Reference

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

Boku to Kaa-san no Mamagoto

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

Konori Mii (Toaru Kagaku No Railgun) no Ushi Gara Mizugi Buta Rape - 01

[Hito no Fundoshi (Yukiyoshi Mamizu)] EXCITING REFLEXOLOGY [Digital]

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

Magical Occult Research Girl Defeated

It's Exciting to Fuck a Girl You Don't Love | Suki ja Nai ko to Sex Shita Hou ga Koufun Suru Setsu

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

[Department Y Research Institute] Bōkoku Ōji no matsuro

(C48) [Ryokan Hanamura (Various)] Karikizuki no Ma (Various)

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

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

Dance! Tentacle Research Institute

Research Love Make Presentation | Research Lab x Expression

(C90) [Tsurikichi Doumei (Umedama Nabu, Mutsu Nagare)] EXCITING 90's (Dragon Ball Z, Streets of Rage)

Gouhouteki Kanyuu | Lawful Soliciting

[Akano Murasaki] Eruru no Dokidoki Dildo Onanie | Eruru's Exciting Dildo Masturbation Session [English] {Doujins.com}

Natsume's Exciting Day and Night

Exciting Cum Live Broadcast

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

Manga Research Triangle

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

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

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

EXCITING 90's

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

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

王国騎士は触手に搾乳されて絶頂する

[Department Y Research Institute] Bōkoku ōjo no matsuro

Nakazawa-san's Exciting Night

[botibotiikoka (takku)] Alice's Exciting School Life [English] [Decensored]

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

Exciting Cum Live Broadcast

Two Girl's Suck-Suck Research Note

Fellatio Research Department Epilogue

Binyuchousain Ayako | Busty Researcher Ayako

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

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

JS Kenkyuukai | JS Research Seminar

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

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

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

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

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

ツムギEXCITING SUMMER

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

Exciting Date

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

Insect Research Institute 2

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

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

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

(C92) [Reds! (Aotsuki Hirotada)] Houkago Link 9 (Accel World)

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

Research of Barnaby Brooks Jr.

Kawanojine No Meikyuu

[Takenoko Seijin] Dokidoki! Kanbyou Taiken! | An Exciting Nursing Experience! (Going Otome) [English] =LWB=

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

(C92) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Tsumugi EXCITING SUMMER (THE IDOLM@STER MILLION LIVE!)

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

(C95) [VOLUTES (Kurogane Kenn)] Put Your Hands Together (SSSS.Gridman) [Chinese] [沒有漢化]

[Kakuzatou (Unadon)] Nyuukyou Tokuiten Zuridea ~ FGO Paizuri Goudou ~ Mash Kyrielight~ (Fate/Grand Order) [English] {Hennojin}

[Arai Araya] The Exciting Pleasure Train [English][DesuDesu]

(C80) [Shirasugayu (Sou)] Hito janai ppoi no!

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

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

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

Harahara Heroine Fan Kanshasai | Exciting Heroine Appreciation-Day

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

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

(C91) [Graf Zeppelin (Ta152)] YouYoshi Exciting Heart! (Love Live! Sunshine!!)

Epic plan for an exciting bath!

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

Poses references

Movie Research Lovers

Zecchou Kenkyuujo | Orgasm Research Facility

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

Dance! Tentacle Research Institute

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

EXCITING REFLEXOLOGY

How Exciting, I Dare You to Impregnate Me

(C92) [Ukatsu de wa Nai (noukatu, Minase Kuru)] Tsumugi EXCITING SUMMER (THE IDOLM@STER MILLION LIVE!) [Chinese] [胸垫汉化组]

(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]

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

Alice's Exciting School Life

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

[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]

GO is good!

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

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

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

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

Twilight's Research | 暮光学习计划

(C81) [Pish Lover (Amatake Akewo)] Harahara Heroine Fan Kanshasai | Exciting Heroine Appreciation-Day [English] {PineApples R' Us + Doujin-Moe}

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

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

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

A·ZU·NA LAND Waku Waku Animal Park | A·ZU·NA LAND Exciting Animal Park

[Gotoh Juan] Shota Shota Mangaka (Zenra Inkou Sengen!!) [Chinese] [cqxl自己汉化] [Digital]

(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}

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

(Tengu-sama no Oshigoto 4) [Kitsune to Budou (Kurona)] Exciting News Coverage (Touhou Project) [English]

(C76) [Hayashi Puramoten (Hayashi)] Sakurairo Shounen Sabou (Otoko no ko wa Maid-fuku ga osuki!?)

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

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

Dance! Tentacle Research Center - Seedbed-hen

Research Fellow

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

Fellatio Kenkyuubu | Blowjob Research Club

[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]

Attack on Research

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

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

His Preferences (Kaka-Iru Fan Book; No.12)

Shūchi Seisai Saimin Ken!!

Going Otome Chapter 7 - "Exciting! Nursing Experience!"

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

[Muronaga Chaashuu] Senpai! Renshū yori honbanssu ♥ | Senpai! From Practice to Action ♥ (COMIC Megastore Alpha 2018-07) [English] [Digital]

Bowsette's Research

[Watanabe Wataru] An exciting lesson [English]

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

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

(C89) [HAMMER_HEAD (Makabe Gorou)] Graf Zeppelin no Wakuwaku ❤ Nihon Bunka Taiken - Nihontou Hen | Graf Zeppelin's Exciting ❤ Japanese Culture Experience - Japanese Sword Arc (Kantai Collection -KanColle-) [English] [Rozett]

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

EXCITING REFLEXOLOGY

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

[Hormone Koijirou] Azeru no Dokidoki Tsuugaku-ji | Azel's Exciting Road to School [English] [SaHa]

Fellatio Kenkyuubu - Fellatio Research Department

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

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

YouYoshi Exciting Heart!

[ACTIVA (SMAC)] R-Otome Comic 「Nakazawa-san's Exciting Night 」(Original) (ENG)

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

(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]

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