Obenkyou ≒ Sex
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
[Yuzu Machi] Obenkyou Yori Ochinchin ga Suki! | I Love Dick More Than Studying! (Digital Puni Pedo! Vol. 09) [English] [Tenua]
Jeanne to Obenkyou
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
(COMIC1☆3) [Bakuretsu Fusen (Denkichi)] BF Champloo (Street Fighter)
Servant Of Servants
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
Hitozuma Wakaba-san no Seishori Touban Nikki
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Uchi no Kamoi ga Ukochanupukoro de Tsurai
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
[Highleg Peach] Yokkyuu Fuman no Hitozuma Naoko-san wa Sex ga Shitakute Tamaranai!
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project) [English] [Daddy's Cummies]
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
Mochizuki Sensei no Shuugakuryokou | Le voyage scolaire de mlle Mochizuki
Hare-chan no Obenkyou
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project) [Chinese] [CE家族社]
(C75) [Asapi Keikaku. (Asagi Aya)] Obenkyo shimasho? Katsura-kun 2@Iro tsuki (Gintama)
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
[Aikuri] Obenkyou no Jikan
Misuzu-san no Obenkyou
Shishunki no Obenkyou Ch.1-6
Shishunki no Obenkyou Ch.1-2
[Aikuri] Obenkyou no Jikan, 2 Jikanme
(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
Sense to Naisho no Obenkyou | A Secret Study with Sensei
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
[Takato Kurosuke] Anaboko Obenki-chan [Digital]
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
Ueno-san wa Shisunki
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Katekyo no Obenkyou
(SUPER23) [Mizutama (Saari)] Futanari-san (Kuroko no Basuke) [English] [Anzu]
[Takato Kurosuke] Anaboko Obenki-chan [Chinese]
Kateikyoushi to Obenkyou
Hana-san no Obenki
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
[Jingrock] Futari de Obenkyo | Studying Together (COMIC Megastore H 2007-07) [English]
Yuri to Issho ni Obenkyou.
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
Sennou Inmon Kangoku MA/STER
Tetsujinex Lucky Star parody doujin (English)
(Love ♥ Collection 2017) [36K (Syaraku)] Yasashii Doku - Gentle poison (Collar x Malice)
GLORYHOLE
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Unicorn-chan to Himitsu no Obenkyoukai
sanae oneechan de obenkyou shiyo!
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Daiichiwa Complete Ban
Shishunki no Obenkyou 4 | Puberty Study Session 4
Mahou de Ecchi no Obenkyou!
Seijino Obenkyou - STUDY OF XXXXX
Muchi na Ojou-sama no Obenkyou
Ningen no Obenkyou
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
(C92) [Neko wa Manma ga Utsukushii (Hisasi)] Boku ni wa Lolicon no Kenri shika Nai (Boku wa Tomodachi ga Sukunai, Ore no Imouto ga Konna ni Kawaii Wake ga Nai, Aquarion Evol)
[Miyashita Kitsune] Obenkyo Shimasho | 我們一起念書吧 [Chinese]
(C77) [Takanaedoko (Takanae Kyourin)] Obenkyo shimasho
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
[Momo] Iinchou to Obenkyou
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
Shishunki no Obenkyou
Shishunki no Obenkyou 3 | Puberty Study Session 3
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
Shishunki no Obenkyou chapter 6+sp
Shishunki no Obenkyou Ch.1-3
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Kashima Sensei to Obenkyoukai
Toaru Kuni no Yotogibanashi
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou (ANGEL Club 2016-03) [Chinese] [村长个人汉化]
Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
Sanae Onee-chan de Obenkyou Shiyou!
(C81) [NIKKA (Mario Kaneda)] Jissen Enshuu * Queen no Obenkyoukai (Final Fantasy Type-0)
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
Shishunki no Obenkyou Ch. 1-2
Shishunki no Obenkyou | Puberty Study Session Ch. 5
Shishunki no Obenkyou Ch.1-5
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Shishunki no Obenkyou | Puberty Study Session Ch. 2
[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
[Batten Kariba (mmm)] Hana-san no Obenki (Girls und Panzer) [Digital]
Kokoro Onee-chan to H na Obenkyou
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
Senpai's Sweet Archery Glove
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
Ima Jidai Iro Iro Jinsei Iro Iro
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
Shishunki no Obenkyou Ch. 1-3
……Sonna Hazukashii Obenkyou Shiranai