Research Operationalization

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

Two Girl's Suck-Suck Research Note

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

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

Mesuinu Junko no Rouka de Osanpo

CLOCKWORK

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

女三人寄れば

[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

[Koban Dou (Sameda Koban)] Brilliant Soap (Amagi Brilliant Park) [Digital]

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

Kamikoto Collection

Twilight's Research | 暮光学习计划

MeroMero Girls

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

Shoutan to Shoutan

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

Ike! Seijun Gakuen Ero-Mangabu Ch. 1-4

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Bra-less Wonder [English] [Rewrite] [EZ Rewriter]

(C91) [Garyuh-Chitai (TANA)] Taimanin Yukikaze ga Rei no Sennou Souchi o Rinko Senpai ni Arekore Suru VR Machine ni Makaizou Shita Kekka ga Kore de Aru. (Taimanin Yukikaze) [English] [H-Konbini]

Attack on Research

[★ (Komugiko)] Itoshii Hito wa Madoromi no Naka ni (Axis Powers Hetalia) {English] [Incomplete]

39℃ no Torokesou na Hi

(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

Xander meets yamcha and Vegeta oravlex

My Sister Is My Wife Vol2 - Chapter 13

Sacculina - EP2 WORSEN

Ojou-sama to Meido no Himeyaka naru Kyouraku

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]

[Koudzuki Ikka (Koudzuki Natsu)] Ouji Funtou (Tales of Graces)

[Densuke] Bowing♀Bow-shock [Chinese]

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

Fellatio Kenkyuubu - Fellatio Research Department

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

Makopi to H Dekiru Fan Shuukai Sennyuu Repo

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

Research of Barnaby Brooks Jr.

Dance! Tentacle Research Institute

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

(SC57) [Kabayakiya (Unagimaru)] Delphinium Madonna (Sword Art Online) [English] [Team Vanilla + Trinity Translations Team]

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

[Kawai] Odoru Shokushu Kenkyuujo 10

[Jackpot 64 (HAN)] Alicia-mama to Naisho Ecchi Suru Hon (Granblue Fantasy) [Digital]

Zecchou Kenkyuujo | Orgasm Research Facility

Gohoushi Tantou no Kashima desu 2 Kousoku Rape wa Osuki desu ka

[Digital Lover (Nakajima Yuka)] Tsugai no Ko DLO-20 [Chinese] [Digital]

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

Saint Foire Festival/eve Evelyn:4

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

[Ponkotsu Works] Oshikake Kanojo to Keppeki-kun [Digital]

Bowsette's Research

Magical Occult Research Girl Defeated

Movie Research Lovers

Bakunyuu JC Kurose Saki-chan no Ichinichi

(C85) [Aki no Yonaga ni Yoiyami ni (Nagatsuki Rio)] Happy Magical (Touhou Project)

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]

Chilchuck Meshi

[Kai Hiroyuki] Milk Bakery (Core Colle Hitozuma no Ikenai o Asobi) [Chinese] [Kai兜自家漢化] [Digital]

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

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

Machikirenai Kouhai Kanojo Tsujinaka-Chan

OrangeMaru Special 03

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

JS Kenkyuukai | JS Research Seminar

Goddess of the Glass Vol1 - CH3

TYPE-54

(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]

[Yosutebito na Mangakaki (Tomoki Tomonori)] Hiyake Hada no Loli Domo (Touhou Project) [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

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

Tanumimi Mozaic

Honey QP (Inochi Wazuka) Chikan OK Nabu Rare Danshi [JP]

Making Smiles in DUEL... 2

(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]

SANSHIMAI PLUS

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

COMIC AUN 2013-02

(C73) [Nylon 100% (Nylon)] Celebrity. (Mobile Suit Gundam 00)

Somerare Ch. 7 Hidamari

(C78) [e☆ALI-aL! (Ariesu Watanabe)] Ai Sana! (Touhou Project)

Futa Ochiru shi!

Fellatio Research Department Epilogue

(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6 [English] [biribiri]

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

Sakuya Hypnosis Doujin

Research Love Make Presentation | Research Lab x Expression

[I-Raf-you (Butte)] Shukushou Byoutou 24-ji | Shrinking Disease Ward 24-hours (Microne Magazine Vol. 60) [English] [Decensored] [Digital]

(C71) [Pazzo S.P. (Akikaze Shirakumo)] Petite Soeur 06 (Coyote Ragtime Show)

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

Ukkari Haicchatta!? Itoko to Micchaku Game Chuu

Shinkyaku

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

(C87) [Mogulaz (5jack)] Kngs (Touhou Project) [Chinese] [臭鼬娘漢化組]

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2