Obenkyou ≒ Sex
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
(CR36) [EKAKIGOYA NOTESYSTEM (Nanjou Asuka)] Twin's-KITSCH (Itazura Koneko Twins)
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Suguha no Himitsu | Suguha's Secret
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
Jishō Reinōsha no Ossan ni Okasa reta Hanashi
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
Nurunuru! Menace-san
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
(Kouroumu 6) [Lolipop Complete (Koiko Irori)] Kakko Nijuuichi -Remilia to Flandre no Himitsu- (Touhou Project)
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
[Momonosuke] Hekigan to Kinpatsu to Tanuki? (COMIC Anthurium 019 2014-11) [English] [Team Koinaka]
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(Itan Renatus 6) [Beni (Inoue Kiyoshi)] Tsuioku no Souretsu Ge (Bungou Stray Dogs)
[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)
[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]
Koko ni Dokudoku
[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
(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)
[Madosoft] Wagamama High Spec Visual Fanbook
(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
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
[Ginyou Haru] Shin Gensoukyou Rakuenka Keikaku (Touhou Project)
Yuri to Issho ni Obenkyou.
(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
[Atelier Hachifukuan] Superheroine Yuukai Ryoujoku 10 - Superheroine in Distress Silverlight Ray II
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
Muchi na Ojou-sama no Obenkyou
Ningen no Obenkyou
Emiya-ke Futei Koukou Ryouiki San
[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]
[Kawai] コミティア113反省会。
(C92) [Happiness Milk (Obyaa)] Scarlet Hearts 2 (Touhou Project) [English] [Hardcore-translations]
[Yudenonno (Nonnon)] Mesu Elune Gohoushidan (Granblue Fantasy) [Digital]
[moco chouchou (Hisama Kumako)] Sansyoku BABUMI tsuki Ooya San (JK) 1.5 [Digital]
(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
(C83) [Junk Box (Mutsuki)] Imouto x Fukuzatsu? Moyamoya Kibun (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
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
(C99) [Hotel St. Croix (sankurowa)] Futanari Ojyosama Sandwich
Shishunki no Obenkyou Ch.1-3
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
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]
[Denjarasu Yamada] おせーておせーてジョナ姉!
(COMIC1☆7) [Circle ARE (Cheru, Kasi)] BiBittored Operation (Love Live!) [English] [NEETouRyu Dojo]
Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
Sanae Onee-chan de Obenkyou Shiyou!
oid
(C81) [NIKKA (Mario Kaneda)] Jissen Enshuu * Queen no Obenkyoukai (Final Fantasy Type-0)
Shishunki no Obenkyou Ch. 1-2
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]
Meat queen
Shishunki no Obenkyou | Puberty Study Session Ch. 2
[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
[Sansui (Sen)] Jimi de Majime na Onnanoko ga, Tsukiattemiruto Igai ni H Datta [Chinese] [三分鐘熱度個人漢化] [Digital]
Kokoro Onee-chan to H na Obenkyou
[Anthology] ANGELic IMPACT NUMBER 09 - Saisei Hen (Neon Genesis Evangelion)
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
Mazjojo – Patreon 2016 March Free!
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!
Sonzai ga Nai! Hamerare Houdai Sareru Onna-tachi | 존재가 없어!
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
(C95) [CUNICULUS (Yositama)] Suki Suki Chris-chan (Senki Zesshou Symphogear)
Shishunki no Obenkyou Ch. 1-3