(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Shishunki no Obenkyou Ch.1-3
[stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Digital]
Shishunki no Obenkyou | 사춘기의 공부
[C.R's NEST (C.R)] Glacial Mannequin (King of Fighters) [English] [Kusanyagi] [Digital]
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
[Mutou Mato] Shukuse no Machi Bito (COMIC X-EROS #73) [Chinese] [Decensored] [Digital]
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
Jissen Enshuu * Queen no Obenkyoukai
(C99) [stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane)
Shishunki no Obenkyou 2 | Puberty Study Session 2
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!) [Chinese] [v.v.t.m汉化组]
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
Shishunki no Obenkyou
Kokoro Onee-chan to H na Obenkyou
……Sonna Hazukashii Obenkyou Shiranai
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
[Meganei] Shishunki no Obenkyou [English]