(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
Shishunki no Obenkyou | Puberty Study Session Ch. 5
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
Unicorn-chan to Himitsu no Obenkyoukai
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project) [Chinese] [CE家族社]
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
sanae oneechan de obenkyou shiyo!
Shishunki no Obenkyou
(C59) [ESSENTIA (Fujima Takuya)] ESSENTIA side 5.0 (Street Fighter)
(COMIC1☆5) [g.k.p. (Mizusawa Nagi)] Tadaima Obenkyou-chu! (CODE GEASS)
[Takato Kurosuke] Anaboko Obenki-chan [Chinese]
(C89) [stripe orange (Sumisaki Yuduna)] Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
[Yuzu Machi] Obenkyou Yori Ochinchin ga Suki! | I Love Dick More Than Studying! (Digital Puni Pedo! Vol. 09) [English] [Tenua]
[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
Shishunki no Obenkyou Ch.1-5
Shishunki no Obenkyou Saishuuwa
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
Katekyo no Obenkyou
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
[ACID EATERS (Kazuma Muramasa)] Ningen no Obenkyou (Tropical-Rouge! PreCure)
Sanae Onee-chan de Obenkyou Shiyou!
Sanyousei to Obenkyoukai
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
Henshin Homestay
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
Hana-san no Obenki
[Miyashita Kitsune] Obenkyo Shimasho | 我們一起念書吧 [Chinese]
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
Unicorn-chan to Himitsu no Obenkyoukai
Iinchou to Obenkyou
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
Misuzu-san no Obenkyou
Yuri to Issho ni Obenkyou.
Anaboko Obenki-chan
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
Mika Ganbaru Oshiete Ecchi na Obenkyou.
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
[Meganei] Shishunki no Obenkyou 4 | Puberty Study Session 4 (COMIC Shingeki 2019-12) [English] [Shippoyasha] [Digital]
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
Ningen no Obenkyou
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
Hare-chan no Obenkyou
(C99) [stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Chinese] [無邪気漢化組]
Kashima Sensei to Obenkyoukai
Ningen no Obenkyou
Shishunki no Obenkyou | Puberty Study Session Ch. 2