[ACID EATERS (Kazuma Muramasa)] Ningen no Obenkyou (Tropical-Rouge! PreCure)
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON) [English]
[Meganei] Shishunki no Obenkyou Ch.1-6 [Chinese] [變態紳士漢化組] [Digital] [Ongoing]
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
Shishunki no Obenkyou 4 | Puberty Study Session 4
Seijino Obenkyou - STUDY OF XXXXX
(Reitaisai 14) [Amakashi (nooca)] Shibaraku Kakumatte Kudasaranai? (Touhou Project)
Shishunki no Obenkyou Ch.1
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
Mahou de Ecchi no Obenkyou!
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
[Yuzu Machi] Obenkyou Yori Ochinchin ga Suki! | I Love Dick More Than Studying! (Digital Puni Pedo! Vol. 09) [English] [Tenua]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Shishunki no Obenkyou 5 | Puberty Study Session 5
Unicorn-chan to Himitsu no Obenkyoukai
Shishunki no obenkyou | Puberty Study Session
Shishunki no Obenkyou Ch. 1-3
Shishunki no Obenkyou 2 | Puberty Study Session 2
Ningen no Obenkyou
[Goban] Eroge de Subete wa Kaiketsu Dekiru! Ch. 3 (COMIC HOTMILK 2019-01) [English] [CGrascal] [Digital]
Obenkyou no Sono Ato de
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
Shishunki no Obenkyou
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
Shishunki no Obenkyou Ch.1-4
Hare-chan no Obenkyou
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo!
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
Retsu tousen-tai sanfaibu ~ kaijin e no joutaijou/ burakku-hen ~
Sanyousei to Obenkyoukai
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]