(CR33) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 3 (Dead or Alive)
(C62) [Himitsu Kessha M (Kitahara Aki)] Kyoushi no Koi Seito no Ai - SIDE:KEI (Onegai Teacher)
(C85) [Secret Society M (Kitahara Aki)] HOW TO BUILD NIKUBENKI | HOW TO BUILD A MEAT TOILET (Gundam Build Fighters) [English] =LWB=
(C50) [Secret Society M (Kitahara Aki)] Tokimeki Groovy ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
(C84) [Akusei-Shinseibutsu (Nori)] Shakai no Mado | Window of Society (Blood Lad) [English] {doujin-moe.us}
Kousai Keiken Hitori Keiken Ninzuu 13-nin.
[Secret Society Chi (Iijima Mario)] Kai II - Iijima Mario Kojin-shi - (Various)
(C61) [Secret Society M (Kitahara Aki)] Utahime no shouzou 2 (Dead or Alive) [English] [Fated Circle]
Mars Ninsin.
[Dekochin Hammer] Shakai o Ikinuku Yuiitsu no Houhou | The Only Method of Surviving Society (Comic LO 2016-11) [English] {Mistvern} [Digital]
Personality Insertion-Excretion
(C50) [Himitsu Kessha M (Kitahara Aki)] Tokimeki Guru Bii ~Densetsu no Ki no Shita de~ (Tokimeki Memorial)
(COMIC1☆8) [Secret Society M (Kitahara Aki)] ZEON Lost War Chronicles - Gaiden no Daigyakushuu (Mobile Suit Gundam: Lost War Chronicles)
[Himitsu Kessha M (Kitahara Aki)] Tokimeki gurubi (Tokimeki Memorial)
Dorei Ogre no Ningen Shakai Kengaku | A Slave Ogre Visits Human Society
(C63) [MUSASABIDO (Bakuchin)] Research of a maid
[Secret Society M (Kitahara Aki)] FACE TO FAITH (Giant Robo)
Daraku Kyoudan - Falling Society
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon)
[Hanadi] Kichiku
(C87) [Secret Society M (Kitahara Aki)] Kousaka-kun Shinpai shinaide Watashi mou 【Maku】 nokotte nai kara (Gundam Build Fighters Try)
(C86) [Secret Society M (Kitahara Aki)] ZEON LOST WAR CHRONICLES (Mobile Suit Gundam Lost War Chronicles)
(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (CLAYMORE)
Josei Joui Shakai no Onanie Gurui | Female-Supremacy Society’s Masturbation Madness
Futanari Kenkyuu Dousoukai | Futanari Research Club
Bowsette's Research
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 (Space Battleship Yamato 2199)
Manga Research Triangle
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
(C67) [Secret Society M (Kitahara Aki)] Shintaku no Kairou (SoulCalibur)
(C95) [Secret Society M (Kitahara Aki)] Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu(^^) (Bishoujo Senshi Sailor Moon)
(C73) [Secret Society M (Kitahara Aki)] E.F.S.F. Lost War Chronicles (Mobile Suit Gundam Lost War Chronicles)
[Nekone] Shenhe is finally part of human society! (Genshin Impact) (Animated) [Chinese] [黎欧x苍蓝星汉化组]
H○LOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01
(C77) [Secret Society M (Kitahara Aki)] Chuuko no Nene san (Love Plus)
Kanojo no Okaa-san ni Doutei o Ubawareru Hanashi 1
(C38) [Secret Society M (Kitahara Aki)] BLUE WATER (Fushigi no Umi no Nadia)
Mesubuta Kuragari no Nikukai
(C83) [Secret Society M (Kitahara Aki)] Inyoku no Kan 2199 (Space Battleship Yamato 2199)
(COMIC1☆6) [Secret Society M (Kitahara Aki)] Senpai ga BENKI. (Ano Natsu de Matteru) [English] [CGRascal]
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】
(C92) [Secret Society M (Kitahara Aki)] Utaha Another Bad End (Saenai Heroine no Sodatekata) [Chinese] [无毒汉化组]
(C70) [Himitsu Kessha M (Kitahara Aki)] ZEON Lost War Chronicles GCB (Gundam)
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
(C47) [Secret Society M (Kitahara Aki)] Gesshoku (Darkstalkers)
Miyu Rape [ENG]
(C78) [Secret Society M (Kitahara Aki)] Sayonara Nene-san (Love Plus) [English] {CEDR777}
Mercury no Shojo Soushitsu de Ippatsu Nukitai!
(C94) [Secret Society M (Kitahara Aki)] Kousai Keiken Hitori Keiken Ninzuu 13-nin. (Bishoujo Senshi Sailor Moon)
Jane Conty Taii Kaikoroku Tettaisen. | Captain Jane Conti's Guerrilla Warfare
Motto Chi po ni Katenai Onna-tachi
Female Pig Ballerina ~Women's Society Is Spiteful~
Dance! Tentacle Research Center - Seedbed-hen
(CR35) [Secret Society M] 08 (Kidou Senshi Gundam Dai 08 MS Shoutai [Mobile Suit Gundam: The 08th MS Team])
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive)
(C89) [Secret Society M (Kitahara Aki)] Venus VS Chuunen Dansei Kyouyu (Bishoujo Senshi Sailor Moon)
Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu
(C99) [Secret Society M (Kitahara Aki)] Tensei Shitara Shokushu Youma datta Ken (Bishoujo Senshi Sailor Moon)
(C68) [Secret Society M (Kitahara Aki)] Helena-sama to Boku. (Dead or Alive)
(C74) [Secret Society M (Kitahara Aki)] Yousei Keikaku (Macross Frontier)
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]
(C35) [Secret Society M (Kitahara Aki)] ANICE - Toki no Hanataba (Sonic Soldier Borgman)
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
(C62) [Secret Society M (Kitahara Aki)] Kyoushi no Koi Seito no Ai - SIDE:MIZUHO (Onegai Teacher)
[廢人生活(Rai)] HOLOX Himitsu Kessha Keiei no Susume 01 | How to operate Secret Society H○LOX-01 (Laplus Darknesss) [English] [Digital]
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
(C74) [MGW (Isou Doubaku)] BPS Beauty Pretty Society (Strike Witches)
(C90) [Secret Society M (Kitahara Aki)] Tomodachi ni Kakushiterukedo DoM no Hentai. H ni Miccha Kyoumi Arimasu (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]
(C75) [Secret Society M (Kitahara Aki)] Zetsubou no Genkai (Super Robot Wars)
(C80) [Secret Society M (Kitahara Aki)] Anekishi no Shojo wa Hei-tachi no Mae de Chirasareta. (Super Robot Wars Z 2nd)
Utahime no Shouzou 4
(C37) [Secret Society M (Kitahara Aki)] Anice 2 Gekkabijin (Sonic Soldier Borgman)
Desperate Collapse Invisible Society
(C61) [Secret Society M (Kitahara Aki)] Utahime no shouzou 2 (Dead or Alive)
(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]
Utaha Another Bad End
(C91) [Secret Society M (Kitahara Aki)] Ninshin Shichatta... Dareka "Tasukete". (Bishoujo Senshi Sailor Moon) [English] {doujins.com}
Konya wa Minako o Okazu ni Shitai.
(C79) [Secret Society M (Kitahara Aki)] Kamotsusen no Kousyuu Benjo | A Warship's Public Toilet (Gundam Unicorn) [English] {Tsuine}
(C67) [Secret Society M (Kitahara Aki)] Shintaku no Kairou | Oracle's Corridor (SoulCalibur) [English] [Kizlan]
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
Comic Masyo 2007-06
[Nekone]Shenhe is finally part of human society!(Genshin Impact) (Animated) [English]
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
(C61) [Secret society M (Aki Kitahara)] Najica!! (Najica Blitz Tactics)
Attack on Research
(C49) [Secret Society M (Kitahara Aki)] Minako Keikaku VENUS PROJECT (Bishoujo Senshi Sailor Moon)
Nakadashi Seishori Benki Rei-chan Shojo Soushitsu.
[Syuuen] Secret Wife 1-6 [Chinese](無碼版)[鼠灣漢化](210214更新)【極品人妻NTR】
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
(C76) [Secret Society M (Kitahara Aki)] Kamen Yuutousei to Hentai Shinshi. (Amagami) [English] {CGrascal}
(C86) [Secret Society M (Kitahara Aki)] Lost War Chronicles - Butai Ura no Soujinin (Mobile Suit Gundam: Lost War Chronicles)
Tomodachi ni Kakushiterukedo DoM no Hentai. H ni Miccha Kyoumi Arimasu
Shichu 10
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 | Lust Battleship 365 (Space Battleship Yamato 2199) [English] {doujin-moe.us}
(C74) [Secret Society M (Kitahara Aki)] E.F.S.F.Lost War Chronicles 2 Ryouyuu Gekitotsu (Mobile Suit Gundam Lost War Chronicles)
[Kitahara Aki] AKURU
(C76) [Himitsu Kessha M (Kitahara Aki)] Kamen Yuutousei to Hentai Shinshi. (Amagami)
[Secret Society M (Kitahara Aki)] 25 Ji no Crescent (Bishoujo Senshi Sailor Moon)
(SC65) [NEONEET Society (Various)] NEET M@STER ANZU (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]
[Kawai Shun] Dance! Tentacle Research Institute [English]
(C93) [Secret Society M (Kitahara Aki)] Nakadashi Seishori Benki Rei-chan Shojo Soushitsu. (Bishoujo Senshi Sailor Moon)
SAILOR VENUS
[Maomi Leon, uroco] Souryo to Majiwaru Shikiyoku no Yoru ni... 2
Dance! Tentacle Research Institute
[Choukyori Chikoku] Flat Earth Society (Touhou)
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive) [English]