(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project)
[zen9] Yacchan! Emi-san Ch 1-4
Kashima Sensei to Obenkyoukai
Mahou de Ecchi no Obenkyou!
Shishunki no Obenkyou
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Daiichiwa Complete Ban
(C93) [110-GROOVE (Itou Yuuji)] Sanyousei to Obenkyoukai (Touhou Project) [Chinese] [迷途竹林汉化]
[Hazuki Kaoru] Sailor Fuku de Obenkyou (Nioi Gurui) [Colorized]
Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
Shishunki no Obenkyou 3 | Puberty Study Session 3
Sanyousei to Obenkyoukai
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
Kokoro Onee-chan to H na Obenkyou
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Gakkou to Bed ja Seihantai no, Okkina Kanojo.
[Rotary Engine (Kannazuki Motofumi)] Technobreak Company (Outbreak Company) [Digital]
Sanae Onee-chan de Obenkyou Shiyou!
[Circle Bob (Brother Bob)] Gohoubi Time wa Ecchi na Obenkyou [Digital]
[St. Rio (Kichigai Teiou, Ishikawa Jippei)] Yuna A La Mode 5 Sphere Hunter Kamomedan XANARKAND DEBUT (Final Fantasy X-2) [English] [EHCOVE]
Muchi na Ojou-sama no Obenkyou
Shishunki no Obenkyou | Puberty Study Session Ch. 5
Unicorn-chan to Himitsu no Obenkyoukai
Mika Ganbaru Oshiete Ecchi na Obenkyou.
Sen no Ko wo Haramu Mori no Shoujo
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Dainiwa Complete Ban [Digital]
Shishunki no Obenkyou Ch.1-5
Shishunki no Obenkyou Ch.1-2
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
VS, SuckerDevil
入渠ついでに群雲を処女にしてみた本
(C71)[Chika Sekai (Paruko Nagashima)] Mio Sensei to Obenkyou (BLUE DRAGON)
(Kouroumu 7) [Nekonokone (Takeyuu)] Aidane 2 (Touhou Project)
Shishunki no Obenkyou | 사춘기의 공부
Houkago no revenge match | Revenge match after school
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
Osananajimi ga Konnani Kimochi ii Nante
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
[Inoue Nanaki] Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study (ANGEL Club 2016-03) [English] [N04h]
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
[Hanamo Oukoku (Hanamo Daiou)] Miri-tan Kiki Ippatsu (Final Fantasy XI) [Digital]
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
(COMIC1☆9) [SAZ (soba)] Tokimeki no Genseki (THE IDOLM@STER CINDERELLA GIRLS) [English] [Facedesk]
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
[Moezillagumi (Piro)] moezilla24 ふぉくす子とさんだば子のある休日
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
[Takurou] Ecchi Tokidoki Obenkyou
(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Chizuru-chan Kaihatsu Nikki 2 | Development Diary Ch.6 – Chizuru-chan Development Diary 2 {2d-market.com}
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi