Primary Quantitative Research

(C84) [Ryokucha Combo (Chameleon)] TSSZ (Kantai Collection -KanColle-)

(C81) [Tiramisu Tart (Kazuhiro)] Dakyou Eirin (Touhou Project) [Chinese] [濛濛1汉化]

Insect Research Institute 2

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

(C94) [Sago-Jou (Seura Isago)] Takuzaki (THE IDOLM@STER CINDERELLA GIRLS, Uzaki-chan wa Asobitai!)

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

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

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

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

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

Fellatio Research Department Epilogue

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

(RTS!!5) [Zeroshiki (Kabosu)] Primary Target -Kouhen- (Haikyuu!!) [English] [UnmeiNoChance]

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

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

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

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

Twilight's Research | 暮光学习计划

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

Dance! Tentacle Research Center - Seedbed-hen

Futanari Kenkyuu Dousoukai | Futanari Research Club

Break Time with Primaries at the Net Cafe

Research of Barnaby Brooks Jr.

(C63) [Nagumo Curry-Bu (Nagumo)] Primary (Ragnarok Online)

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

(C66) [Hanzai Tengoku (Hasei Agana)] ACCESS CODE PRIMARY (Fate/stay night)

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

(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]

Research Love Make Presentation | Research Lab x Expression

Gal JS Yui-chan to Shojo Chuu Raper

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

Shizuku Primary

Attack on Research

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

(COMIC1☆8) [Himeya (Abe Inori)] Jikan to Basho wa Wakimaenai | Regardless of Time and Place (Kantai Collection) [English] {doujin-moe.us}

Primary Contact

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

Joshidaisei no Kanojo ga Dousoukai de Omochikaeri Sareteita

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

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

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

Magical Occult Research Girl Defeated

Manga Research Triangle

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

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

PRIMARY HEART

(C87) [Zeroshiki (Kabosu)] Primary Target -Zenpen- (Haikyuu!!) [English] [UnmeiNoChance]

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

(C67) [Shimoyakedou (Ouma Tokiichi)] Royal Lotion (Fate/stay night)

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

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

Raikou-mama to Ichiya no Yume

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

Kininaru Machine

(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]

(C75) [T2 ART WORKS (Tony Taka)] Botan Nabe (Clannad) [English] [TheHiddenStuff] [Decensored]

(C87) [Kaitsushin (Namamo Nanase)] Amapu (Amagi Brilliant Park)

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

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

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

Hina Ijiri

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

Comike Genkou wa Keikakuteki ni. | Planning a Comiket Manuscript

Primary Target -Kouhen-

Dance! Tentacle Research Institute

JS Kenkyuukai | JS Research Seminar

[HAPPY CORE (Kinoshita Ichi)] PRIMARY HEART

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

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

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

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

Zecchou Kenkyuujo | Orgasm Research Facility

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

(C83) [SHALLOT COCO (Yukiyanagi)] Yukiyanagi no Hon 30 Ogre no Waka Okusama!! | Yuki Yanagi Vol.30 - Young Ogre Wife (Dragon Quest X) [English] [Tigoris Translates]

[Kudamono Monogatari (Kuroishi Ringo)] Otokonoko Soukan Kyoudai [Chinese] [夏月兔个人汉化]

PON-MENOKO 7 Bakusouhen

[mogg] Tanetsuke Program Ichibu Kyousan Shoten Kounyu Tokuten Leaflet

(C76) [Clesta (Cle Masahiro)] CL-orz 05 (Amagami) [English] [redCoMet]

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

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

[E-Musu Aki] Nuresuji Toranoana 16P Shousasshi

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

Primary Fever

A Special Wish [English] [Rewrite] [WhatVVB]

Fellatio Kenkyuubu | Blowjob Research Club

Fellatio Kenkyuubu - Fellatio Research Department

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

(C83) [Studio N.BALL (Haritama Hiroki)] IDOL M@nage!! (THE IDOLM@STER CINDERELLA GIRLS)

[Kawady MAX] Children - a child slaves [Digital]

Akari-chan to Kosshori Suru Hon

[Tabuchi-san Chi (Tabuchi)] Jishou Dutch Wife to Ai no nai Sex o suru Hon (Gugure! Kokkuri-san) [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

(C68) [Nagumo Kare Bu] Primary 3 (To Heart 2)

(C66) [Hanzai Tengoku (Hasei Agana)] ACCESS CODE PRIMARY (Fate/stay night) [Chinese] [冬木守護者漢化組]

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

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

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

[toyasuaina (Toyasu Aina)] Shizuku Primary (Love Live! Nijigasaki High School Idol Club) [Chinese]

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

Confusion!

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

[Department Y Research Institute] Bōkoku Ōji no matsuro

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

[Department Y Research Institute] Bōkoku ōjo no matsuro

Movie Research Lovers

Dance! Tentacle Research Institute

Primary Target -Zenpen-

(Bokura no Love Live! Shinnenkai 2017) [Shirando (Shiran Takashi)] Nico Zura (Love Live!, Love Live! Sunshine!!)

Binyuchousain Ayako | Busty Researcher Ayako

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

Research Fellow

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

[Crimson] Shin Taimashi Kaguya 2

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

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