Obenkyou ≒ Sex
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
[SHINING (Shaian)] Chuunibyou wo Kusuri zuke ni Shitai! (Chuunibyou Demo Koi ga Shitai!) [Digital]
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-)
Ikenie no Mori
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
(CR28) [ZiP (Moekibara Fumitake)] Open your Heart (Chobits)
(Shuuki Reitaisai 4) [Nijusei (Kanchela)] Touhou Zecchou Emaki 2 ~Pokkori Onaka de Icchau!~ (Touhou Project)
(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]
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
[Shioroku] Obi Girl - Obedient Girl (COMIC Mugen Tensei 2013-12) [English] {woootskie}
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
(C93) [Dragon Kitchen (Sasorigatame)] Ore to Tamamo to My Room 2 (Fate/Extra) [English] [desudesu]
(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]
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
(C92) [Maidoll (Fei)] Shouta-kun-chi no Chijo Dragon (Kobayashi-san-chi no Maid Dragon)
(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)
(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]
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Katekyo no Obenkyou
Kateikyoushi to Obenkyou
(SC8) [UA (Teramoto Kaoru)] Virgin Killer (ToHeart)
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Yukinon to SEX Shitain daro!?
[Jingrock] Futari de Obenkyo | Studying Together (COMIC Megastore H 2007-07) [English]
Yuri to Issho ni Obenkyou.
[Yuzuki N Dash] Green Eyes (Comic Tenma 2013-06) [English] [Decensored] [Colorized] [In Progress]
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
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
(Puniket 31) [BlueMage (Aoi Manabu)] Yoru no Fujiyama Volcano (Touhou Project)
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]
Nottori Kanojo - Possessed Girlfriend
[Miyashita Kitsune] Obenkyo Shimasho | 我們一起念書吧 [Chinese]
(C76) [Makino Jimusho (Taki Minashika)] Porno Lovers 2 (Minashika Works Vol.08)
(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]
Super Taboo Extreme 04
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~
Ami-chan to Issho
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Kashima Sensei to Obenkyoukai
[Shiomeshi] Sona (League of Legends)
[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
(COMIC1☆7) [Tyrolneko (tamaco)] prpr☆maria (Sengoku Taisen)
Shishunki no Obenkyou | Puberty Study Session Ch. 5
FEMBOY FRIEND
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]
CoverGirl's Collection
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=
(Gijinka Oukoku II) [FIZZCODE (Satoh Nishiki)] Puroroido. (Axis Powers Hetalia)
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!
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
Shishunki no Obenkyou Ch. 1-3
[Zenmai Kourogi] Sono Shima wa Makkuro ni Hiyake Shita Obasan-tachi no Seisokuchi de Aru