Hyakkan Boogie
Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research
[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]
(Dramatic Change 2) [TATA (Hata)] Futari Nara Dekirumon! (THE IDOLM@STER SideM)
Bowsette's Research
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
[Akiyama Production (Kurauda Shouta)] Bushitsu no Aido 2 (Suzuka)
(CT30) [Haraise Kaiwai (Yucchris)] TRUST&CENTURY (The Legend of Zelda)
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
Little Stepsister's Boundary
Little Stepsister Absolute Cat-ness
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-5 [English] {Tadanohito}
(C78) [Chiyohan, Arysuivery (Chiyoko, Ayakase Riberi)] Remilia no Kaihou | How To Train Remilia (Touhou Project) [English] =Wrathkal+Goka=
Summer Escape | 썸머 이스케이프
Inma no Mikata! ~Kyuusei-nushi no Oshigoto wa~
[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]
Borderless Little Stepsister
Little Stepsister Band-aid - Bonds
Imouto Netsuai Ryouiki | Little Stepsister Love Space Ch. 1-3
[Shinobu Tanei] Imouto Shojo Gensou | Little Stepsister Fantasy Virgin [English] {Tadanohito}
[Shinobu Tanei] Imouto Netsuai Ryouiki | Little Stepsister Love Space [English] {Tadanohito}
JS Kenkyuukai | JS Research Seminar
GOOD and EVIL
(C93) ["Tsu" ga Mittsu. (Tsuttsu)] Omukano | Diaper Girlfriend [English]
[Shinobu Tanei] Imouto Shojo Gensou | Little Stepsister Fantasy Virgin Ch. 1-5 [English] [Tadanohito]
Dance! Tentacle Research Center - Seedbed-hen
[Shinobu Tanei] Gimai Lesson Zenpen | Stepsister Lesson Ch. 1 (Imouto Netsuai Ryouiki) [English] {woootskie} [Decensored]
[Ns:plus (Isa)] B-fold (Ookiku Furikabutte)
Stepsister Absolute - Chapter 1
Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record
Imouto ni Kawareru | I'm My Stepsister's Pet
Stepsister Absolute - Chapter 2
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-7 [English] {Tadanohito}
Little Stepsister Band-aid
Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club
Anegumo | Spider|Stepsister
[Shinobu Tanei] Imouto Zettai Ryouiki | Stepsister Absolute [English] {Tadanohito}
[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]
[Guhan Shounen] Tenryu, Wakan Suru Zo (Kantai Collection -KanColle-)
Attack on Research
Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~
(C77) [Sekitan Bukuro (Fey Tas)] Hijiri Byakuren -Oku-sama wa Fuujin-sama 3- (Touhou Project)
Little Stepsister Absolute Gaze
Futanari Kenkyuu Dousoukai | Futanari Research Club
[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Story) [English]
Ore no Imouto to Sono Tomodachi wa Konnanimo Kawaii
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
[Shinobu Tanei] Imouto Shojo Gensou | Little Stepsister Fantasy Virgin Ch. 1-9 [English] {Tadanohito}
[Hengen Monogatari] Nyotaika Stepsister ~Kyonyuu Gimai o Chou Ero Taiken~
(C91) [Okina Keikaku (Shiwasu no Okina)] Gimai Himari | My Stepsister Himari [English]
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Little Stepsister's Motherly Instincts 2
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
Magical Occult Research Girl Defeated
Dance! Tentacle Research Institute
[Shinobu Tanei] Imouto Shojo Gensou | Little Stepsister Fantasy Virgin Ch. 1-10 [English] {Tadanohito}
Gimai Sensei Slime Momo-chan | Stepsister Teacher Slimy Momo
Little Stepsister Fantasy Virgin
Bukiyou na Kare no Amayakashikata
(C49) [Chanbara! (Kimuraya Izumi)] Eve Ver 1.0 (Neon Genesis Evangelion)
Little Stepsister's Motherly Instincts
[Yottanchi (Yottan)] Oneshota
[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]
[Shinobu Tanei] Gimai Lesson Zenpen | Stepsister Lesson Ch. 1 (Imouto Netsuai Ryouiki) [English] {woootskie}
Seisaikei Imouto | My Stepsister, The Housewife Material
[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]
Oshikake Ane | The Uninvited Stepsister
(C80) [Puchi-ya (Hoshino Fuuta)] Toraware Hime III
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report
[Umematsu Thomas] Oshiete! Obasan
(C90) [Kansai Gyogyou Kyoudou Kumiai (Marushin)] Sagisawa Fumika no Kare (THE IDOLM@STER CINDERELLA GIRLS)
[SOUND MILK (Otochichi)] Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research (Mahou Tsukai Precure!) [English] [ATF] [Digital]
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-2 [English] {Tadanohito}
[Circle ARE (Kasi)] Ore no Gimai ga Azunyan no Wake ga nai Kan. | There's no way Azusa could be my Stepsister (K-ON!) [English] =TV=
Imouto-sei Time Leap Izonshou 3 | Younger Stepsister Time Leap Dependence 3
COMIC Shingeki 2016-08
[Okina Utsuwa (Arai Taiki)] Ochita Yume no Naka de 3 [English] [Zero Translations] [Digital]
(C80) [Digital Accel Works (INAZUMA)] INAZUMA Jiyuu Kenkyuu | INAZUMA Research Project (PreCure) [English] {5 a.m.}
[Michiking] Seisaikei Imouto | My Stepsister, The Housewife Material (COMIC Kairakuten 2014-11) [English] [desudesu]
[Shinobu Tanei] Little Stepsister Love Space Ch. 1-11 [English] {Tadanohito}
(C91) [Okina Keikaku (Shiwasu no Okina)] Gimai Himari | Stepsister Himari [English] [ZEAL]
[Shinobu Tanei] Little Stepsister Fantasy Virgin Ch. 1-6 [English] [Tadanohito]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
Oonazuchi Hentaishu no Hokaku
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
Research of Barnaby Brooks Jr.
[Shinobu Tanei] Little Stepsister Love Space Ch. 1 [English] {Tadanohito}
[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】