[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
Shishunki no Obenkyou
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
Unicorn-chan to Himitsu no Obenkyoukai
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Juuniku Osukemo Mesuka Keikaku
(C88) [Sankaku Apron (Sanbun Kyoden, Umu Rahi)] Akebi no Mi - Chizuru AFTER [English] {doujins.com}
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
Shishunki no Obenkyou 3 | Puberty Study Session 3
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Shishunki no Obenkyou | Puberty Study Session Ch. 5
Obenkyou ≒ Sex
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
[千凰、dei] 囚 (魔女えっち2)
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project) [Chinese] [靴下汉化组]
夜迷言
Muchi na Ojou-sama no Obenkyou
Shishunki no Obenkyou Ch. 1-2
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
[Onizuka Naoshi] Close to you (Porno Graffitti) [English] [Rin]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Ikujitsu
Kokoro Onee-chan to H na Obenkyou
Bishoujo Bokujou 2
[Aikuri] Obenkyou no Jikan, 2 Jikanme
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
Shishunki no Obenkyou Ch. 1-3
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Ningen no Obenkyou
(COMIC1☆11) [Planaria Tei (Arimori Haru)] ……Sonna Hazukashii Obenkyou Shiranai (Eromanga Sensei)
Reitou Porno 2
Shishunki no Obenkyou Ch.1-4
Shishunki no Obenkyou 4 | Puberty Study Session 4
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
Saba Ochi