Shishunki no Obenkyou
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
Shishunki no Obenkyou | Puberty Study Session Ch. 2
Shishunki no Obenkyou Ch.1-6
Katekyo no Obenkyou
Seiso Kurokami Bitch to Kinpatsu Shojo Gal o Chinpo de Otosu
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
[Tohgarashi Hideyu] Condom no Susume! | An Encouragement To Using Condoms! (Comic Aun 2009-06) [English] {MumeiTL}
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
Shishunki no Obenkyou Ch.1-5
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
Sanyousei to Obenkyoukai
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
[Momo] Iinchou to Obenkyou
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Daiichiwa Complete Ban
[Henkuma] Ano Hito no Angura! | Her Secret! (COMIC Tenma 2010-10) [English] [desudesu]
[Kemonono★] Kuro Tights-sama ~Igyou ni Hazukashimerareru Watashi-tachi~ (1)
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
[MC] Saimin Sumaho - Namaiki Joshi o Kanzen Shihai Shite Inran Nikutsubo ni Sennou Choukyou
Kurome ga Kill!
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project) [Chinese] [CE家族社]
Shishunki no Obenkyou Saishuuwa
Shishunki no Obenkyou Ch.1-2
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
[Aikuri] Obenkyou no Jikan, 2 Jikanme
Buster Comic Vol. 5 [2008-05]
Obenkyou no Jikan
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
COMIC Megastore Alpha 2019-03 [Digital]
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Misuzu-san no Obenkyou
Shishunki no Obenkyou 3 | Puberty Study Session 3
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
Sense to Naisho no Obenkyou | A Secret Study with Sensei
[Rokkaku Yasosuke] Obenkyou ≒ Sex + Osoto no Ishikawa-san (Sex no Shikumi!) [English] [Facedesk]
Shishunki no Obenkyou 2 | Puberty Study Session 2
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
(C80) [Hayashi Puramoten (Hayashi)] Sakurairo Shounen Sabou 5 (Otokonoko wa Maid Fuku ga Osuki!?)
Obenkyou ≒ Sex
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Kokoro Onee-chan to H na Obenkyou
OL To Shota Ga Roshutsu Kinen Satsuei
Yari ni Ikeru Idol Riamu-chan
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
Nakadashi 100-nin Dekiru kana | I Wonder If I Can Reach 100 Creampies! Ch. 1-2
Shishunki no obenkyou | Puberty Study Session
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6
(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
Shishunki no Obenkyou Ch. 1-2
Shishunki no Obenkyou Ch.1-4
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
Comic Gekkan Doki! Special 2009-01
Shishunki no Obenkyou Ch.1
Unicorn-chan to Himitsu no Obenkyoukai
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
Yuri to Issho ni Obenkyou.
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
Mika Ganbaru Oshiete Ecchi na Obenkyou.
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
Kashima Sensei to Obenkyoukai
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
(COMIC1☆5) [g.k.p. (Mizusawa Nagi)] Tadaima Obenkyou-chu! (CODE GEASS)
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
Shishunki no Obenkyou Ch.1-3
[Takurou] Ecchi Tokidoki Obenkyou
Shishunki no Obenkyou Ch. 1-3
[Chronolog, mill-monty] - Romanticist Egoist (shin megami tensei)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON) [English]