(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project) [Chinese] [靴下汉化组]
(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
Shishunki no Obenkyou chapter 5+6
Obenkyou ≒ Sex
Youto | Purpose
Unicorn-chan to Himitsu no Obenkyoukai
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6
Shishunki no Obenkyou Ch.1-4
Shishunki no Obenkyou
生存してます
Shishunki no Obenkyou Saishuuwa
[Rokkaku Yasosuke] Obenkyou ≒ Sex + Osoto no Ishikawa-san (Sex no Shikumi!) [English] [Facedesk]
(Puniket 23) [Studio Rakkyou (Takase Yuu)] Nichijou no Nichijou wa Hinichijou (Nichijou)
Shishunki no Obenkyou | Puberty Study Session Ch. 5
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project) [English] [Daddy's Cummies]
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Shishunki no Obenkyou Ch.1
[Aikuri] Obenkyou no Jikan
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!) [Chinese] [v.v.t.m汉化组]
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
Katekyo no Obenkyou
Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
……Sonna Hazukashii Obenkyou Shiranai
Unicorn-chan to Himitsu no Obenkyoukai
Shishunki no Obenkyou Ch. 1-2
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
[Meganei] Shishunki no Obenkyou Ch.1-4 [Chinese] [變態紳士漢化組] [Digital] [Ongoing]
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
[Joutai Henka] Henkaya Honpo
Jissen Enshuu * Queen no Obenkyoukai
Junjou Bitch Love Rika {doujins.com}
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo!
Yuri to Issho ni Obenkyou.
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo! [Chinese] [无毒汉化组]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Seijino Obenkyou - STUDY OF XXXXX
[Takeda Hiromitsu] Tsundero [English] [Decensored]
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [English] [Digital]
(COMIC1☆5) [g.k.p. (Mizusawa Nagi)] Tadaima Obenkyou-chu! (CODE GEASS)
Muchi na Ojou-sama no Obenkyou
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
Mahou de Ecchi no Obenkyou!
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou (ANGEL Club 2016-03) [Chinese] [村长个人汉化]
[Aikuri] Obenkyou no Jikan, 2 Jikanme
Shishunki no Obenkyou 3 | Puberty Study Session 3
(C89) [stripe orange (Sumisaki Yuduna)] Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
Shishunki no Obenkyou
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
Shishunki no Obenkyou Ch.1-6
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
Unicorn-chan to Himitsu no Obenkyoukai
Kitakami-san ga Taihen nano
Ningen no Obenkyou
Kateikyoushi to Obenkyou
[Meganei] Shishunki no Obenkyou [English]
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project) [Chinese] [CE家族社]
[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
Unicorn-chan to Himitsu no Obenkyoukai
Virgin Chapter 7: Student Council President Photo Shoot
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
Shishunki no obenkyou | Puberty Study Session
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
Exorcist Saya
Hare-chan no Obenkyou
Shishunki no Obenkyou Ch. 1-3
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
Rikujoubu no Otonashii Senpai no Yowami o Nigitta | The Track and Field Ace's Dark Secret
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
Seijo Saimin Benki
[Takurou] Ecchi Tokidoki Obenkyou
Shishunki no Obenkyou 4 | Puberty Study Session 4
Shishunki no Obenkyou Ch.1-3
[Meganei] Shishunki no Obenkyou Ch.1-6 [Chinese] [變態紳士漢化組] [Digital] [Ongoing]