(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project) [English] [Daddy's Cummies]
Ima Jidai Iro Iro Jinsei Iro Iro
[Highleg Peach] Yokkyuu Fuman no Hitozuma Naoko-san wa Sex ga Shitakute Tamaranai!
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
[Miyashita Kitsune] Obenkyo Shimasho | 我們一起念書吧 [Chinese]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Ueno-san wa Shisunki
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
[Takurou] Ecchi Tokidoki Obenkyou
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
(Futaket 13.5) [HEATWAVE (Yuuhi)] "Sore wa dou ka na" to Ieru xxxx Tetsugaku (Yu-Gi-Oh! GX)
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
Shishunki no Obenkyou
Yuri to Issho ni Obenkyou.
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
Shishunki no Obenkyou Ch. 1-2
Obenkyou ≒ Sex
Obenkyou no Jikan
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
(C77) [Takanaedoko (Takanae Kyourin)] Obenkyo shimasho
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
[Momo] Iinchou to Obenkyou
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
Unicorn-chan to Himitsu no Obenkyoukai
Shishunki no Obenkyou 5 | Puberty Study Session 5
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
Shishunki no Obenkyou | Puberty Study Session Ch. 2
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Shishunki no Obenkyou | 사춘기의 공부
……Sonna Hazukashii Obenkyou Shiranai
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
Sanae Onee-chan de Obenkyou Shiyou!
(COMIC1☆11) [Planaria Tei (Arimori Haru)] ……Sonna Hazukashii Obenkyou Shiranai (Eromanga Sensei)
(Love ♥ Collection 2017) [36K (Syaraku)] Yasashii Doku - Gentle poison (Collar x Malice)
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
Shishunki no Obenkyou Ch.1-5
Hana-san no Obenki
Sanyousei to Obenkyoukai
Iinchou to Obenkyou
Shishunki no Obenkyou 3 | Puberty Study Session 3
Ningen no Obenkyou
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Shishunki no Obenkyou Ch.1
Shishunki no Obenkyou Ch.1-4
Senpai's Sweet Archery Glove
Servant Of Servants
Shishunki no Obenkyou chapter 6+sp
Shishunki no obenkyou | Puberty Study Session
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban