(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Katekyo no Obenkyou
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
Sense to Naisho no Obenkyou | A Secret Study with Sensei
NEXT Climax Magazine 2 Suparobokei Heroine
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
[maccho] Isekai De Manabu Tanoshii Harlem No Tsukurikata | 在異世界學習快樂後宮構築法。 [Chinese] [三色的閃刀姬護國戰線]
Muchi na Ojou-sama no Obenkyou
Yuri to Issho ni Obenkyou.
Kateikyoushi to Obenkyou
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
[Tobita Takashi] Kotatsu wa Mamono (COMIC Shingeki 2010-03) [Chinese] [黑街汉化]
Obenkyou ≒ Sex
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
[Aikuri] Obenkyou no Jikan
Henohadoiku 02
Shishunki no Obenkyou
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
[Simple House] Mabi Pai
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
Shishunki no Obenkyou 4 | Puberty Study Session 4
Unicorn-chan to Himitsu no Obenkyoukai
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
[Batten Kariba (mmm)] Hana-san no Obenki (Girls und Panzer) [Digital]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
……Sonna Hazukashii Obenkyou Shiranai
Shishunki no Obenkyou Ch.1
Seijino Obenkyou - STUDY OF XXXXX