Mahou de Ecchi no Obenkyou!
(C94) [Makai no Kaniya (Kanihara Taraba, Devil)] Tatsuta Onee-chan to Obenkyou (Kantai Collection -KanColle-)
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? (Strike Witches)
(C93) [Yadapot (Yadapoteto)] Amanatsu & Shori to Obenkyou Shiyo!
(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
Shishunki no Obenkyou | Puberty Study Session Ch. 2
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Shishunki no Obenkyou Ch. 1-3
Shishunki no Obenkyou 4 | Puberty Study Session 4
Shishunki no Obenkyou 3 | Puberty Study Session 3
Shishunki no Obenkyou Ch.1-6
[Fuyuno Mikan] Obenkyou wa Ecchi no Ato de (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
[stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Digital]
Sense to Naisho no Obenkyou | A Secret Study with Sensei
sanae oneechan de obenkyou shiyo!
(C76) [KinoKonomi (kino)] Pachuri no Obenkyou (Touhou Project)
[Aikuri] Obenkyou no Jikan
Shishunki no Obenkyou
Iinchou to Obenkyou
[ACID EATERS (Kazuma Muramasa)] Ningen no Obenkyou (Tropical-Rouge! PreCure)
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
Jissen Enshuu * Queen no Obenkyoukai
[Aikuri] Obenkyou no Jikan, 2 Jikanme
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Obenkyou no Sono Ato de
Shishunki no obenkyou | Puberty Study Session
Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Chinese] [XM漢化] [Digital]
Ningen no Obenkyou
(HaruCC19) [RIX (Mamiya)] Obenkyou no Jikan (Shingeki no Kyojin)
Doki Doki Oyako Lesson~Oshiete H na Obenkyou~ Dainiwa Complete Ban
(Kouroumu 9) [Tonzura Douchuu (Kazawa)] Kokoro-chan Ecchi de Obenkyou (Touhou Project)
Shishunki no Obenkyou Ch.1-2
[Meganei] Shishunki no Obenkyou 4 | Puberty Study Session 4 (COMIC Shingeki 2019-12) [English] [Shippoyasha] [Digital]
Shishunki no Obenkyou | 사춘기의 공부
Shishunki no Obenkyou Ch.1-4
[Mutou Koucha] Chiteki Bungaku Bishoujo to Ikimakuri Obenkyou Ecchi [Digital]
[Rokkaku Yasosuke] Obenkyou ≒ Sex + Osoto no Ishikawa-san (Sex no Shikumi!) [English] [Facedesk]
[Anthology] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~
(C93) [NERCO (Koikawa Minoru)] Sanae Onee-chan de Obenkyou Shiyou! (Touhou Project)
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
Shishunki no Obenkyou
[Etigoya (tau)] Oujo no Obenkyou 2 (Dragon Quest V)
(C99) [stellar drop (Satsuki Yukimi)] Unicorn-chan to Himitsu no Obenkyoukai (Azur Lane) [Chinese] [無邪気漢化組]
(C84) [Shinsen Gokuraku (Shuragyoku Mami)] Hime-sama, Obenkyou no Ojikan desu. (Tales of the Abyss) [English] =Shinko.Aelith & Krizalid=
(C89) [stripe orange (Sumisaki Yuduna)] Osananajimi to no Sugoshikata ~Obenkyoukai Hen~
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project) [Chinese] [靴下汉化组]
Kokoro Onee-chan to H na Obenkyou
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?