Nakadashi Seishori Benki Rei-chan Shojo Soushitsu.
(C83) [Secret Society M (Kitahara Aki)] Inyoku no Kan 2199 | Lust Battleship 2199 (Space Battleship Yamato 2199) [English] [doujin-moe.us]
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
(C74) [Secret Society M (Kitahara Aki)] Yousei Keikaku (Macross Frontier) [English]
Tensei Shitara Shokushu Youma datta Ken | The Case Of Having Been Reincarnated And Turned Into a Tentacle Youma
(COMIC1☆6) [Secret Society M (Kitahara Aki)] Senpai ga BENKI. (Ano Natsu de Matteru)
(CR29) [Secret Society M (Kitahara Aki)] Mama VEGA BOOK (Gear Fighter Dendoh)
[Kitahara Aki] AKURU
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive) [English] [Fated Circle]
[Department Y Research Institute] Bōkoku ōjo no matsuro
(C86) [Secret Society M (Kitahara Aki)] ZEON LOST WAR CHRONICLES (Mobile Suit Gundam Lost War Chronicles)
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
(C43) [Secret Society M (Kitahara Aki)] ANICE (Sonic Soldier Borgman)
(C46) [Secret Society M (Kitahara Aki, Minamino Marin)] Hitomi no Naka no Mirai (Fire Emblem Mystery of the Emblem)
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
"Veronica to Kekkon shitai!" no Sentakushi ga nai no wa Okashii
(C68) [Secret Society M (Kitahara Aki)] Helena-sama to Boku. | Helena-sama and I. (Dead or Alive) [English] {SaHa}
(C80) [Secret Society M (Kitahara Aki)] Anekishi no Shojo wa Hei-tachi no Mae de Chirasareta. (Super Robot Wars Z 2nd)
(C94) [Secret Society M (Kitahara Aki)] Kousai Keiken Hitori Keiken Ninzuu 13-nin. (Bishoujo Senshi Sailor Moon)
[Amano Hidemi] Bourbon
(C99) [Secret Society M (Kitahara Aki)] Tensei Shitara Shokushu Youma datta Ken (Bishoujo Senshi Sailor Moon)
Zecchou Kenkyuujo | Orgasm Research Facility
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Mesubuta Kuragari no Nikukai
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]
Namaiki! 2008-09
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 | Lust Battleship 365 (Space Battleship Yamato 2199) [English] {doujin-moe.us}
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
(C40) [Secret Society M (Kitahara Aki, Minamino Marin)] Maria (Bikkuriman)
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon) [English] {doujins.com}
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
[Secret Society M (Kitahara Aki)] FACE TO FAITH (Giant Robo)
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu | Venus VS Middle Aged Male Teacher (Bishoujo Senshi Sailor Moon) [English] [Tremalkinger]
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
Motto Chi po ni Katenai Onna-tachi
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
(C73) [Secret Society M (Kitahara Aki)] E.F.S.F. Lost War Chronicles (Mobile Suit Gundam Lost War Chronicles)
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
Dance! Tentacle Research Center - Seedbed-hen
Movie Research Lovers
[Choukyori Chikoku] Flat Earth Society (Touhou)
[Kai Hiroyuki] Manatsu no Hanazono ~Oba + Shimai Ohame H~
[SECRET SOCIETY M (Kitahara Aki)] Torikago no Joou (CGRascal)
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
(C53) [Secret Society M (Kitahara Aki)] Sentimental Flowers (Sentimental Graffiti)
(C77) [Secret Society M (Kitahara Aki)] Chuuko no Nene san (Love Plus)
[Shinsekai Set (Hetaren)] Kurodate o Shiro ni Someru Seishoku Kenkyuu o (Blue Archive) | Sexual Gourmet Research: Dyeing Kurodate White [English] [Douzo Lad Translations]
Bowsette's Research
Kinniku Kyoudai Wakan
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive)
Twilight's Research | 暮光学习计划
(C61) [Secret society M (Aki Kitahara)] Najica!! (Najica Blitz Tactics)
Kanojo no Okaa-san ni Doutei o Ubawareru Hanashi 1
(SC46) [Shounan Rakujin Society (e649ne)] 4-shoku Ball Pen wa Midori ga Amaru (Anyamaru Tantei Kiruminzoo)
Dorei Ogre no Ningen Shakai Kengaku | A Slave Ogre Visits Human Society
Comic Masyo 2007-06
(C78) [Secret Society M (Kitahara Aki)] Sayonara Nene-san (Love Plus)
(C61) [Secret Society M (Kitahara Aki)] Utahime no shouzou 2 (Dead or Alive)
Josei Joui Shakai no Onanie Gurui | Female-Supremacy Society’s Masturbation Madness
(C73) [Secret Society M (Kitahara Aki)] Jane Conty Taii Kaikoroku Tettaisen. (Mobile Suit Gundam Lost War Chronicles)
(C92) [Secret Society M (Kitahara Aki)] Utaha Another Bad End (Saenai Heroine no Sodatekata) [Chinese] [无毒汉化组]
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu (Bishoujo Senshi Sailor Moon)