[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]
Senpai's Sweet Archery Glove
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)
Sennou Inmon Kangoku MA/STER
(COMIC1☆11) [Planaria Tei (Arimori Haru)] ……Sonna Hazukashii Obenkyou Shiranai (Eromanga Sensei)
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON) [English]
Uchi no Kamoi ga Ukochanupukoro de Tsurai
[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~
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
GLORYHOLE
Anaboko Obenki-chan
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
……Sonna Hazukashii Obenkyou Shiranai
Shishunki no Obenkyou Ch.1-2
[Batten Kariba (mmm)] Hana-san no Obenki (Girls und Panzer) [Digital]
[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]
[Zanka] Cool na Maid-san ni Itazura Shichau Ojou-sama
[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
(C59) [Studio Kyawn (Murakami Masaki)] Love HinaKo (The King of Fighters)
(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
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
Hana-san no Obenki
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
(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)
(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)
Ueno-san wa Shisunki
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
[Takato Kurosuke] Anaboko Obenki-chan [Chinese]
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Shishunki no Obenkyou Saishuuwa
Servant Of Servants
(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
Tetsujinex Lucky Star parody doujin (English)
(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
Hitozuma Wakaba-san no Seishori Touban Nikki
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
Boku wa Nyotaika Onee-san
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
Shishunki no obenkyou | Puberty Study Session
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
Obenkyou no Jikan
[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]
Shishunki no Obenkyou Ch.1-5