[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
Muchi na Ojou-sama no Obenkyou
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Daiichiwa Complete Ban
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
(COMIC1☆11) [Planaria Tei (Arimori Haru)] ……Sonna Hazukashii Obenkyou Shiranai (Eromanga Sensei)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON) [English]
[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~
Comic Masyo 2017-05
Oreteki Ikizama Gekijyo
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
Shishunki no Obenkyou 5 | Puberty Study Session 5
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
Shishunki no Obenkyou Ch.1-4
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
……Sonna Hazukashii Obenkyou Shiranai
Shishunki no Obenkyou Ch.1-2
Fujinoki Nene no Onii ni Ienai Koto
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
[Miyashita Kitsune] Obenkyo Shimasho | 我們一起念書吧 [Chinese]
[Jingrock] Futari de Obenkyo | Studying Together (COMIC Megastore H 2007-07) [English]
[Aikuri] Obenkyou no Jikan
Ningen no Obenkyou
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project) [English] [Daddy's Cummies]
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Shishunki no Obenkyou
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Misuzu-san no Obenkyou
(C77) [Takanaedoko (Takanae Kyourin)] Obenkyo shimasho
(COMIC1☆5) [g.k.p. (Mizusawa Nagi)] Tadaima Obenkyou-chu! (CODE GEASS)
Unicorn-chan to Himitsu no Obenkyoukai
[Aikuri] Obenkyou no Jikan, 2 Jikanme
Obenkyou no Sono Ato de
Odekakeraibu IN Okinawa Gentei Futanari Hon
Kokoro Onee-chan to H na Obenkyou
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
Iinchou to Obenkyou
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
(C79) [Takumi na Muchi (Takumi na Muchi)] Shiro Yami-chan (To LOVE-Ru) [English] [Belldandy100] [Decensored]
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Shishunki no Obenkyou Saishuuwa
Saru Kani Kassen | Monkey & Crab Battle
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
[Fuyuno Mikan] Love Collection "Mizugi de Obenkyou" Bangaihen (Petit Cawa Toranoana Gentei Shousasshi) [Chinese] [想抱雷妈汉化组&leoR8714]
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
Shishunki no Obenkyou chapter 6+sp
(C81) [NIKKA (Mario Kaneda)] Jissen Enshuu * Queen no Obenkyoukai (Final Fantasy Type-0)
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
[Takurou] Ecchi Tokidoki Obenkyou
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[Abe Tsukumo] Gachinko Love!
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
Shishunki no obenkyou | Puberty Study Session
[Aoki mamoru] OL-Furin no aji
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
Obenkyou no Jikan
[Onoitaru] Oba-san no Ana | Her Hole Ch. 1-2 [English] [CopyOf]
[Rokkaku Yasosuke] Obenkyou ≒ Sex + Osoto no Ishikawa-san (Sex no Shikumi!) [English] [Facedesk]
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
Senpan
Shishunki no Obenkyou Ch.1-5
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project) [Chinese] [靴下汉化组]
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
Shishunki no Obenkyou Ch. 1-3
[Watanabe Wataru] 100% Wo Ai Ni
Mishiro-ke no Butoukai
(C69) [AHM (Lact Mangan)] Inugoya no Sekai Vol.8 (Genesis of Aquarion)