[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]