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
Gesellschafts Abend Zwei
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
Mamamare
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
COMIC Masyo 2010-03
(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]
(C63) [PEACH CLASS (Tetsuno Kyojin)] Onpu (Ojamajo Doremi)
(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]
(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]
[Seihoukei] A new education for the sake of the kindergartners (Comic LO 2014-05) [English] {5 a.m.}
(HaruCC22) [Canopus (Minami)] Daisuki no Kakushin (Super Danganronpa 2)
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
(C87) [ROUTE1 (Taira Tsukune)] Hagiwara Yukiho Goku Choukyou (THE IDOLM@STER)
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)
(C80) [Studio Rakkyou (Ashisyun, Takase Yuu)] Nichijou no Nichijou wa Hinichijou 2 (Nichijou)
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss)
[Kiyoka] Momoiro Line [2004-11-10]
[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
[Anthology] Toushin Engi Vol. 16
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Yuri to Issho ni Obenkyou.
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
(C90) [Behind Moon (Dulce-Q)] DR:II ep.6 ~Fukkatsusha-tachi~
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
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
(C68) [Studio Retake (Kobayashi Shouichi)] 723 Style (Keroro Gunsou)
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]
フミタンで保健体育
(C91) [Namiroji (Shiina Nami)] Haisetsu Shoujo 10 Nagai Kaerimichi
(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
[Shimanto Shisakugata] Yuugatou (COMIC Kairakuten 2015-12) (Chinese) [無邪気漢化組] [Decensored]
Shishunki no Obenkyou 3 | Puberty Study Session 3
Trans Story ~hiroshikantamotsu o chi henpen~ part4
[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~
(COMITIA109) [Yukino Yukikaze (Yukino Yukikaze)] Zoku Kyuushokuhi 1
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
ナマイキJKは僕を癒したい!?
Kashima Sensei to Obenkyoukai
[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]
HEAVEN'S DRIVE 6 =NSS=
(Futaket 10.5) [Metamor (Ryo)] Reebe-kun no Usui Hon (Kantai Collection -KanColle-)
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)
Shishunki no Obenkyou Ch. 1-2
[Agata] Mama Para ~Chijo Zukan~
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]
Kokoro Onee-chan to H na Obenkyou
[Toguchi Masaya] Enjo Kousai Joshou (Enjo Kousai ~Midara na Mama no Aishikata~) [Chinese]
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
[Futanaru Futanari Futanareba] Nice Naut (Dragonaut)
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
……Sonna Hazukashii Obenkyou Shiranai
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6