(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project)
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
Shishunki no Obenkyou Saishuuwa
Mahou de Ecchi no Obenkyou!
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
Obenkyou no Sono Ato de
(C74) [bolze.] Nagi Ojousama Club (Hayate no Gotoku!)
Shishunki no Obenkyou 4 | Puberty Study Session 4
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
[Sekiya Asami] Sasori no Kokoro (COMIC Kairakuten 2010-04) [English] =desudesu+EroMangaGirls=
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
Muchi na Ojou-sama no Obenkyou
Shishunki no Obenkyou Ch.1-5
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project) [Chinese] [CE家族社]
[Yuzu Machi] Obenkyou Yori Ochinchin ga Suki! | I Love Dick More Than Studying! (Digital Puni Pedo! Vol. 09) [English] [Tenua]
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [English] [Digital]
(C91) [WindArTeam (WindArt)] Koi Hime Love Maki!! 5 (Love Live!) [English] [CGrascal]
Kateikyoushi to Obenkyou
[Aikuri] Obenkyou no Jikan, 2 Jikanme
Shishunki no Obenkyou | Puberty Study Session Ch. 2
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou (ANGEL Club 2016-03) [Chinese] [村长个人汉化]
(C81) [NIKKA (Mario Kaneda)] Jissen Enshuu * Queen no Obenkyoukai (Final Fantasy Type-0)
[Rokkaku Yasosuke] Obenkyou ≒ Sex + Osoto no Ishikawa-san (Sex no Shikumi!) [English] [Facedesk]
(C89) [stripe orange (Sumisaki Yuduna)] Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
(C99) [stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Chinese] [無邪気漢化組]
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Obenkyou ≒ Sex
[Meganei] Shishunki no Obenkyou Ch.1-6 [Chinese] [變態紳士漢化組] [Digital] [Ongoing]
Shishunki no Obenkyou Ch.1-6
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!) [Chinese] [v.v.t.m汉化组]
[stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Digital]
Shishunki no Obenkyou | Puberty Study Session Ch. 5
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON) [English]
Shishunki no Obenkyou Ch. 1-2
You're My Idol
(COMIC1☆5) [g.k.p. (Mizusawa Nagi)] Tadaima Obenkyou-chu! (CODE GEASS)
Shishunki no obenkyou | Puberty Study Session
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
Kashima Sensei to Obenkyoukai
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo!
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
Unicorn-chan to Himitsu no Obenkyoukai
[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
[Mentsukidou (Shimuro)] Lebex! + Web Sairoku (Kantai Collection -KanColle-) [Chinese] [瑞树汉化组] [Digital]
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo! [Chinese] [无毒汉化组]
Katekyo no Obenkyou
(COMIC1☆8) [Ozashiki (Sunagawa Tara)] Ore Senyou Hisho|My Personal Secretary (Gundam Build Fighters) [English] [Mongolfier]
Shishunki no Obenkyou Ch.1
Shishunki no Obenkyou Ch.1-3
Obenkyou no Jikan
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
(C81) [Lezmoe! (Kuro, Oyu no Kaori)] inspire (One Piece)
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]