[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Shinobu Tanei] Gimai Shojo Gensou | Little Stepsister Fantasy Virgin Ch. 1-4 [English] {Tadanohito}
[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)
Gimai Himari | Stepsister Himari
[Shinobu Tanei] Little Stepsister Fantasy Virgin Ch. 1 [English] {Tadanohito}
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Stepsister Absolute - Chapter 3
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-2 [English] {Tadanohito}
Imouto Netsuai Ryouiki - Little Stepsister Love Space - 01-02
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
[Yamada Non] 3P, Hajimemashita! (BOY'S Pierce Kindan 2013-08) [English] [Blissful Sin] [Decensored]
[Shinobu Tanei] Gimai Netsuai Ryouiki | Little Stepsister Love Space Ch. 1-8 [English] {Tadanohito}
Dance! Tentacle Research Center - Seedbed-hen
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
[Zenmai-shiki Kouchuusen (Fukami Otoha)] Tsuiraku Shoujo [Digital]
[Horitomo] Gimai Sensei Slime Momo-chan | Stepsister Teacher Slimy Momo (COMIC Unreal 2017-06 Vol. 67) [English] =Dark Mac + CW= [Digital]
[Michiking] Seisaikei Imouto | My Stepsister, The Housewife Material (COMIC Kairakuten 2014-11) [English] [desudesu]
JS Kenkyuukai | JS Research Seminar
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
Little Stepsister Absolute Cat-ness
Borderless Little Stepsister
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
[Shinobu Tanei] Little Stepsister Love Space Ch. 1 [English] {Tadanohito}
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Little Stepsister Absolute Gaze
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
Little Stepsister's Plea for Training
[Shinobu Tanei] Imouto Shojo Gensou | Little Stepsister Fantasy Virgin Ch. 1-8 [English] {Tadanohito}
(C80) [URA FMO (Fumio)] My Dear Mikoko (Kaiji) [English] (Trinity Translations Team)
[Department Y Research Institute] Bōkoku ōjo no matsuro
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-9 [English] {Tadanohito}
Binyuchousain Ayako | Busty Researcher Ayako
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-11 [English] {Tadanohito}
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
[Azuki Kurenai] BLACK IMPACT - Azuki Kurenai Gengashuu & Fan Book
Fellatio Kenkyuubu Blowjob Research Club Ch. 3
Stepsister Teacher Slimy Momo
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Research of Barnaby Brooks Jr.
(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]
Oshikake Ane | The Uninvited Stepsister
Seisaikei Imouto | My Stepsister, The Housewife Material
Magical Occult Research Girl Defeated
Little Stepsister Band-aid - Bonds
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
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-5 [English] {Tadanohito}
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}