(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (CLAYMORE)
[Aoi Hitori] Onee-San No Hazukashiikoto
Binyuchousain Ayako | Busty Researcher Ayako
(C70) [Himitsu Kessha M (Kitahara Aki)] ZEON Lost War Chronicles GCB (Gundam)
Futanari Kenkyuu Dousoukai | Futanari Research Club
Josei Joui Shakai no Onanie Gurui | Female-Supremacy Society’s Masturbation Madness
(C92) [Secret Society M (Kitahara Aki)] Utaha Another Bad End (Saenai Heroine no Sodatekata) [Chinese] [无毒汉化组]
[Secret Society M (Kitahara Aki)] FACE TO FAITH (Giant Robo)
Tensei Shitara Shokushu Youma datta Ken | The Case Of Having Been Reincarnated And Turned Into a Tentacle Youma
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
Dance! Tentacle Research Institute
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
Jane Conty Taii Kaikoroku Tettaisen. | Captain Jane Conti's Guerrilla Warfare
(CR29) [Secret Society M (Kitahara Aki)] Mama VEGA BOOK (Gear Fighter Dendoh)
Tomodachi niha Kakushiteirukedo DoM no Hentai. H ni Michaa Kyoumi arimasu
(C62) [Secret Society M (Kitahara Aki)] Kyoushi no Koi Seito no Ai - SIDE:MIZUHO (Onegai Teacher)
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive) [Chinese] [魔劍个人汉化]
(SC65) [NEONEET Society (Various)] NEET M@STER ANZU (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]
(C71) [Secret Society M (Kitahara Aki)] Kinpatsu Tsuma no Toriko (Soul Calibur) [English] [CGRascal]
(C87) [Secret Society M (Kitahara Aki)] Kousaka-kun Shinpai shinaide Watashi mou 【Maku】 nokotte nai kara (Gundam Build Fighters Try)
[Himitsu Kessha M (Kitahara Aki)] Sweet~GOOD-BYE MY SWEET PAIN~ (The King of Braves GaoGaiGar)
(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]
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
Konya wa Minako o Okazu ni Shitai.
(C62) [Secret Society M (Kitahara Aki)] Kyoushi no Koi Seito no Ai - SIDE_MIZUHO (Onegai Teacher)[English][Uncensored][Copy Of]
(C50) [Secret Society M (Kitahara Aki)] Tokimeki Groovy ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
JS Kenkyuukai | JS Research Seminar
(C47) [Secret Society M (Kitahara Aki)] Gesshoku (Darkstalkers)
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
Namaiki! 2008-09
(CR33) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 3 (Dead or Alive)
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Movie Research Lovers
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive)
(C52) [Secret Society M (Various)] Amai Mitsu no Imashime (Darkstalkers, Dororon Enma-kun)
(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]
Two Girl's Suck-Suck Research Note
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
Miyu Rape [ENG]
[Hanadi] Kichiku
Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu
(C76) [Himitsu Kessha M (Kitahara Aki)] Kamen Yuutousei to Hentai Shinshi. (Amagami)
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]
(CR33) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 3 (Dead or Alive) [English] [Ayane]
(C71) [Secret Society M (Kitahara Aki)] ZEON Lost War Chronicles Hishokan Hen (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
Beauty Pretty Society
(C37) [Secret Society M (Kitahara Aki)] Anice 2 Gekkabijin (Sonic Soldier Borgman)
(C67) [Secret Society M (Kitahara Aki)] Shintaku no Kairou (SoulCalibur)
(CR17) [Secret Society M (Kitahara Aki)] CUTE de Ikou (Bishoujo Senshi Sailor Moon)
(C52) [Secret Society M (Kitahara Aki)] Tenjou Kakumei (Shoujo Kakumei Utena)
[Secret Society Chi (Iijima Mario)] Kai II - Iijima Mario Kojin-shi - (Various)
(C43) [Secret Society M (Kitahara Aki)] Hiru Ga Yoru Ni Utsuru Koro (Bishoujo Senshi Sailor Moon)
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon) [English] {doujins.com}
(C81) [Secret Society M (Kitahara Aki)] G-AGES (Gundam AGE) [English]
HOW TO BUILD NIKUBENKI
(C50) [Himitsu Kessha M (Kitahara Aki)] Tokimeki Guru Bii ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
(C93) [Secret Society M (Kitahara Aki)] Nakadashi Seishori Benki Rei-chan Shojo Soushitsu. (Bishoujo Senshi Sailor Moon)
ZEON Lost War Chronicles
(C84) [Akusei-Shinseibutsu (Nori)] Shakai no Mado | Window of Society (Blood Lad) [English] {doujin-moe.us}
(C79) [Secret Society M (Kitahara Aki)] Kamotsusen no Kousyuu Benjo | A Warship's Public Toilet (Gundam Unicorn) [English] {Tsuine}
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
Utaha Another Bad End
[Choukyori Chikoku] Flat Earth Society (Touhou)
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
Mars Ninsin.
Dorei Ogre no Ningen Shakai Kengaku | A Slave Ogre Visits Human Society
Natsu no maazu toppatsu kopii-shi
ZEON Lost War Chronicles - Gaiden no Daigyakushuu
COMIC Potpourri Club 2006-08
Mercury no shojo soushitsu de ippatsu nu kitai
(C77) [Secret Society M (Kitahara Aki)] Chuuko no Nene-san. | Second Hand Nene-san (Love Plus) [English] [darknight]
[Anthology] Tatakau Heroine Ryoujoku Anthology Toukiryoujoku 35
(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]
(C40) [Secret Society M (Kitahara Aki, Minamino Marin)] Maria (Bikkuriman)
(C83) [Secret Society M (Kitahara Aki)] Inyoku no Kan 2199 (Space Battleship Yamato 2199)
[Delta Studio] Onani Ippanka Shakai | Pro-Masturbation Society [English] [CulturedCommissions]
(C73) [Secret Society M (Kitahara Aki)] Jane Conty Taii Kaikoroku Tettaisen. (Mobile Suit Gundam Lost War Chronicles)
Tomodachi ni Kakushiterukedo DoM no Hentai. H ni Miccha Kyoumi Arimasu
(C94) [Secret Society M (Kitahara Aki)] Kousai Keiken Hitori Keiken Ninzuu 13-nin. (Bishoujo Senshi Sailor Moon)
[Hana Hook] Zenin Shikkaku - Hahaoya no Mesubuta Sex Choukyou Kiroku
[Department Y Research Institute] Bōkoku Ōji no matsuro
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
(C38) [Secret Society M (Kitahara Aki)] Anice 3 - Rakuen no Shizuku (Sonic Soldier Borgman)
[Secret Society M (Kitahara Aki)] Mars o Chuunen Chinpo de Seiteki Sakushu Shitai! (Bishoujo Senshi Sailor Moon) [Chinese] [自宅用汉化]
Desperate Collapse Invisible Society
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive) [English] [Fated Circle]
Dance! Tentacle Research Center - Seedbed-hen
[Kerorin] Dead Poets Society (Action Pizazz Special 2013-08) [English] =RED=
Kinniku Kyoudai Wakan
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive) [English]