Felatio Research

(C92) [IRIOMOTE (Saryuu)] Juujin Seitai Kansatsu Kiroku

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

[Amadume Ryuuta] Kyou wa Okurete Ikou | Today, Let's Be Late (Kimochi Ii Koto) [English]

Two Girl's Suck-Suck Research Note

[Kawamoto Takahiro] Sexy Monsters

] Toraware No Kaizoku To Oshioki Ouji

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

Yogore chapter 7

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

Sennou Maso Ningyou - Brainwashed masochist doll

[F.W.ZHolic (FAN)] Bunny Ou to Inyoku no Kokuin Zenpen (Fate/Grand Order)

[花巻かえる] ボク男の娘なんですけどっ ( 月刊Web男の娘・れくしょんッ！S Vol.15) [Chinese] [瑞树汉化组] [Digital]

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

(Princess Festa) [Luciferhood (Uchoten)] Sakuranbo Keimai | Cherry Siblings (Fushigiboshi no Futagohime) [English] {Chin²}

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

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

Poolside Oji-san

(SC42) [Kigeki Banzai (Suzuhara Kouki)] Taeshinobu, Nan no Tame ni? (Mai-Otome)

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

Twilight's Research | 暮光学习计划

[Yasuhara Tsukasa] Soshite, Ane wa Boku o Erabu [Chinese]

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

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

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Attack on Research

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

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

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

Research Fellow

Boku dake ga Shitteiru Shinya no Minamo

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

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

[Department Y Research Institute] Bōkoku ōjo no matsuro

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

(C93) [Sazareito (Ohnaka Ito)] Bismarck Revenge!! Preview Ban (Kantai Collection -KanColle-)

[Corundum] Master no Furete wa Ikenai Bubun o Ijitte shimau Baobhan Sith (Fate/Grand Order)

(C99) [Monochrome Circuit (racer)] Datte Ryuu nanode | After all, I'm a dragon (Fate/Grand Order) [English] [Douzo Lad Translations]

(C77) [Shichiroku Fortress (Shichiroku)] Youmu, Dakara Tsume ga Amai Toitte Iru no. (Touhou Project)

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

Zenbu Kimi no Sei

Fellatio Kenkyuubu - Fellatio Research Department

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

(C75) [Kurumaya (RoGa)] Naruganba S (Monster Hunter)

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

Research of Barnaby Brooks Jr.

Bakunyu Kasshoku Bijo Muchimuchi! Vacation!!

Dance! Tentacle Research Institute

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

Renai Lesson! | 恋爱♂课堂

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

Sanrenkyuu wa Asa Made Namagahama!

Zecchou Kenkyuujo | Orgasm Research Facility

Ore ga Onna ni! Itoko ga Itoko ni!

Boku ga Senpai no Karada o Mamorun da | I Will Protect Senpai’s Body

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

Rio theater!

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

Bowsette's Research

Magical Occult Research Girl Defeated

Movie Research Lovers

Insect Research Institute 2

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

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

Fellatio Kenkyuubu | Blowjob Research Club

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

(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]

[TRAP (Urano Mami)] Tsukiyo Notawamure Vol. 7 (Bishoujo Senshi Sailor Moon)

Mesu Buta Saimin Appli

Grandline Chronicle 2 - Thunder-Tits

Jimiko-san Dai 2-bu Ch. 1-15

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

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

Baquartet Joukyou Fumei

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

JS Kenkyuukai | JS Research Seminar

Sugary Chord

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

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

Banana Girl CH5

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

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

(SC2016 Summer) [Tauren no Shakoujou (kenzzy)] Pan ga nai jai! (SENGOKU COLLECTION)

[Lolimate Seizou Koujou (Lolimate)] Shinmyoumaru ga Onaho ni Machigawareru Hon (Touhou Project) [Digital]

Souda, Onsen Ikou.

[KuQ] Sex after Versus - Meloco 2 | Sex after Versus - 梅洛可編② (Pokémon Scarlet and Violet) [Chinese]

Hikokunin to Asobou

茉茉的壁足 01

(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]

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

[F.W.ZHolic (FAN)] Namaiki na Servant-tachi o Reiju de Kyousei Hatsujou Sasete Mita (Fate/Grand Order) [English] [Digital]

(C57) [Studio Tar (Kyouichirou)] COME BACK MISAO (Rurouni Kenshin) [English] [Hmedia]

Fellatio Research Department Epilogue

(C94) [RUBBISH Selecting Squad (Namonashi)] RE27 (Fate/stay night)

[Morpheus] Graf Zeppelin vs Chinpo (Kantai Collection -KanColle-)

"Hi" Manin Densha mo Goyoujin!?

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

Mousouten Princess Connect! Re:Dive

Totsuzen Tomari ni Kita Juushi (Hitozuma) o Otosu Hanashi

Research Love Make Presentation | Research Lab x Expression

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

[Otabe Sakura] Unmei no Hito Zenpen (COMIC HOTMiLK 2016-04) [English] [CyroIIzaru]

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

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

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

NIPPON TIGER & RABBIT

Dance! Tentacle Research Center - Seedbed-hen

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

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