(C52) [Secret Society M (Kitahara Aki)] Tenjou Kakumei (Shoujo Kakumei Utena)
Onani Ippanka Shakai | Pro-Masturbation Society
(C40) [Secret Society M (Kitahara Aki, Minamino Marin)] Maria (Bikkuriman)
Utaha Another Bad End
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon) [English] {doujins.com}
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
(C87) [Secret Society M (Kitahara Aki)] Kousaka-kun Shinpai shinaide Watashi mou 【Maku】 nokotte nai kara (Gundam Build Fighters Try)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
[Secret Society M (Kitahara Aki)] 25 Ji no Crescent (Bishoujo Senshi Sailor Moon)
(C85) [Secret Society M (Kitahara Aki)] HOW TO BUILD NIKUBENKI (Gundam Build Fighters)
[廢人生活(Rai)] HOLOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01 (Laplus Darknesss) [English] [Digital]
(C80) [Secret Society M (Kitahara Aki)] Anekishi no Shojo wa Hei-tachi no Mae de Chirasareta. (Super Robot Wars Z 2nd)
Bowsette's Research
(C59) [Secret Society M (Kitahara Aki)] KOi suru NYoTengu (Dead or Alive)
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
(C95) [Secret Society M (Kitahara Aki)] Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu(^^) (Bishoujo Senshi Sailor Moon) [Chinese] [無邪気漢化組]
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
(C50) [Secret Society M (Kitahara Aki)] Tokimeki Groovy ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
(C81) [Secret Society M (Kitahara Aki)] LOST WAR CHRONICLES【ZeninSaiKunren !】(Mobile Suit Gundam: Lost War Chronicles)
Nottori Toki ni Okiru Fuzuiiundo to Kinniku no Shikan | Why It's Better to Possess Someone at the Toilet
The Slime Man
(C50) [Himitsu Kessha M (Kitahara Aki)] Tokimeki Guru Bii ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
(C88) [Secret Society M (Kitahara Aki)] Venus ga Oji-san ni Camera Mesen de Makuwararete Mawasaremashita. | Sailor Venus - Venus Had Her Hymen Broken and Was Gang Raped by Old Men on Camera. (Bishoujo Senshi Sailor Moon) [English] [doujin-moe.us]
[Department Y Research Institute] Bōkoku ōjo no matsuro
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 | Lust Battleship 365 (Space Battleship Yamato 2199) [English] {doujin-moe.us}
(CR29) [Secret Society M (Kitahara Aki)] Mama VEGA BOOK (Gear Fighter Dendoh)
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
(C43) [Secret Society M (Kitahara Aki)] ANICE (Sonic Soldier Borgman)
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive)
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 (Space Battleship Yamato 2199)
[Nekone]Shenhe is finally part of human society!(Genshin Impact) (Animated) [English]
(C74) [Secret Society M (Kitahara Aki)] Yousei Keikaku (Macross Frontier)
Kaidan Teishoku
(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (CLAYMORE) [English] [Decensored]
SAILOR VENUS
JS Kenkyuukai | JS Research Seminar
[Secret Society M (Kitahara Aki)] FACE TO FAITH (Giant Robo)
Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu
Dance! Tentacle Research Center - Seedbed-hen
(C68) [Secret Society M (Kitahara Aki)] Helena-sama to Boku. (Dead or Alive)
(C68) [Secret Society M (Kitahara Aki)] Helena-sama to Boku. | Helena-sama and I. (Dead or Alive) [English] {SaHa}
(C61) [Secret Society M (Kitahara Aki)] Utahime no shouzou 2 (Dead or Alive) [English] [Fated Circle]
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive) [English]
(C66) [Himitsu Kessha M (Kitahara Aki)] ZEON Lost War Chronicles (Mobile Suit Gundam)
[Azuma Sawayoshi] Warera Ankoku Majutsu Aikoukai! | We Are The Black Magic Society (COMIC RiN 2011-03) [English] [Flatopia]
[Syuuen] Secret Wife 1-6 [Chinese](無碼版)[鼠灣漢化](210214更新)【極品人妻NTR】
[Secret Society M (Kitahara Aki)] Jane Conty Taii Moe Moe Shousasshi (Mobile Suit Gundam Lost War Chronicles)
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]
Tensei Shitara Shokushu Youma datta Ken | The Case Of Having Been Reincarnated And Turned Into a Tentacle Youma
Comic Masyo 2007-06
(C93) [Secret Society M (Kitahara Aki)] Nakadashi Seishori Benki Rei-chan Shojo Soushitsu. (Bishoujo Senshi Sailor Moon)
[Secret Society Chi (Iijima Mario)] Kai II - Iijima Mario Kojin-shi - (Various)
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
(C80) [Secret Society M (Kitahara Aki)] Anekishi no Shojo wa Hei-tachi no Mae de Chirasareta. (Super Robot Wars Z 2nd) [Chinese] [女騎士護衛員個人漢化]
(C99) [Secret Society M (Kitahara Aki)] Tensei Shitara Shokushu Youma datta Ken (Bishoujo Senshi Sailor Moon)
Yoku Aru Kikkake to Hamarikata... | Wife's Cheating Vacation 1: Opportunities and Addictions
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C88) [Secret Society M (Kitahara Aki)] Venus ga Oji-san ni Camera Mesen de Makuwararete Mawasaremashita. (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]
Utahime no Shouzou 4
(C61) [Secret society M (Aki Kitahara)] Najica!! (Najica Blitz Tactics)
(COMIC1☆6) [Secret Society M (Kitahara Aki)] Senpai ga BENKI. (Ano Natsu de Matteru)
Venus VS Chuunen Dansei Kyouyu | Venus VS Middle Aged Male Teacher
(C77) [Secret Society M (Kitahara Aki)] Chuuko no Nene san (Love Plus)
(C74) [Secret Society M (Kitahara Aki)] Yousei Keikaku (Macross Frontier) [English]
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon)
Attack on Research
H○LOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
(C62) [Secret Society M (Kitahara Aki)] Kyoushi no Koi Seito no Ai - SIDE_MIZUHO (Onegai Teacher)[English][Uncensored][Copy Of]
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu (Bishoujo Senshi Sailor Moon)
[Hanadi] Kichiku
(C84) [Akusei-Shinseibutsu (Nori)] Shakai no Mado | Window of Society (Blood Lad) [English] {doujin-moe.us}
(C54) [Secret Society M (Kitahara Aki)] Yume no Mayoiji Joukan (Sakura Taisen)
(Online Tora Matsuri 2020 Summer) [Secret Society M (Kitahara Aki)] Mars o Chuunen Chinpo de Seiteki Sakushu Shitai! | 火星酱想要榨取中年叔叔的小鸡鸡! (Bishoujo Senshi Sailor Moon) [Chinese]
Futanari Kenkyuu Dousoukai | Futanari Research Club
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Female Pig Ballerina ~Women's Society Is Spiteful~
[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]
(C46) [Secret Society M (Kitahara Aki, Minamino Marin)] Hitomi no Naka no Mirai (Fire Emblem Mystery of the Emblem)
[Delta Studio] Onani Ippanka Shakai | Pro-Masturbation Society [English] [CulturedCommissions]
Tensei Shitara Shokushu Youma datta Ken
Mercury no shojo soushitsu de ippatsu nu kitai
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]
(C38) [Secret Society M (Kitahara Aki)] Anice 3 - Rakuen no Shizuku (Sonic Soldier Borgman)
[Kawai Shun] Odoru! Shokushu Kenkyuujo | Dance! Tentacle Research Institute [English] [solowing]
(C87) [Secret Society M (Kitahara Aki)] Kousaka-kun Shinpai shinaide Watashi mou 【Maku】 nokotte nai kara (Gundam Build Fighters Try) [Chinese] [脸肿汉化组]