Obenkyou ≒ Sex
(C77) [Dokudoku Meron (Amanatsu Mero, Maki)] Tsuna-chan no Shitsuji 2 (Katekyo Hitman REBORN!)
[Guild Plus (tatsuya)] Usagi-san to Obenkyou (Touhou Project) [Digital]
[Ookami] Kitsune no Yomeiri (HibaTsunako) (Katekyo Hitman REBORN!)
(Zenkoku Taikai R1) [Statice (Yurihara Aki)] Hana Momo -Sawada- (Katekyoo Hitman REBORN!) [English] [biribiri]
(C77) [BBP (Izumi Bouko)] LOVE らぷれす (Katekyo Hitman REBORN!)
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
Mahou de Ecchi no Obenkyou! | Studying Sex with Magic!
(Shota Scratch 18) [TomCat (Keita)] Katekyoo Tutorial!! [English] [TnK O]
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou (Touhou Project) [Chinese] [靴下汉化组]
H ni Naru Seibun
(Futaket 6) [∀ (Aki)] Dokuro Mukumuku (Katekyoo Hitman REBORN!)
Muchi na Ojou-sama no Obenkyou
Shishunki no Obenkyou Ch. 1-2
gkkmjk - Gal Katekyo Maji Kawaii
[Hissatsukun] Nettori Katekyo (ANGEL Club 2015-05) [Chinese] [最愛路易絲澪漢化組]
(C89) [Shiawase Manjuu (Shiawase 1500)] Minna de Obenkyou Shimasho!!
Katekyo de Try
(Mimiket 11) [PLATINUM (Atene)] cheap cheap (Katekyoo Hitman REBORN!)
The Guardian of the Mist (Katekyō Hitman Reborn!)
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
(C91) [Yawaraka midnight (Takui Aoto)] Nyotaika Shita Tsunayoshi-kun ga Teki Mafia no Mob Oji-san-tachi ni XX Sarechau Hon. (Katekyo Hitman REBORN!)
[7 Men Zippo (Kamishima Akira)] Harenchina Bunka Matsuri | Lewd Culture Festival (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]
Kokoro Onee-chan to H na Obenkyou
[Yunioshi] Katekyo - Teach & Bitch (COMIC Shitsurakuten 2017-12) [Chinese] [无毒汉化组] [Digital]
Katekyo no Wana
[DOZA Village (Dozamura)] Katekyo-saki no Loli Twinte ga Bitch na Ueni S ni Mezamete Komaru
[Aikuri] Obenkyou no Jikan, 2 Jikanme
(Shotaket 14) [5/4 (FAUST)] Seinen Jarip - Adult Jarip (Various)
(C72) [Kozouya (Eiki Eiki, Zaou Taishi)] Kozouya Dokuhon MIX (Various)
(C89) [Yuusha-sama Go-ikkou (Nemigi Tsukasa)] Kashima Sensei to Obenkyoukai (Kantai Collection -KanColle-)
(C75) [Tsugahi (Various)] HibaTsuna Anthology - Strawberry (Katekyo Hitman REBORN!)
[TinkerBell] [Full Color Seijin Han] Doki Doki Oyako Lesson ~Oshiete H na Obenkyou~ Daiichiwa Complete Ban [Digital]
[Ciao! (Kanan)] Alea jacta est (Katekyo Hitman REBORN!)
[DOZA Village (Dozamura)] Katekyo-saki no Loli Twinte ga Bitch na Ueni S ni Mezamete Komaru [English] [Fated Circle]
[Rokkaku Yasosuke] Obenkyou ≒ Sex (COMIC Shitsurakuten 2014-01) [English] [Facedesk]
[Kanakana Shoutengai (Riuta Gao)] Shuuichi de Ikaga? (Katekyoo Hitman REBORN!) [English] [CGrascal]
(C73) [BBP (Izumi Bouko)] Tadashii Maid no Susume (Katekyoo Hitman REBORN!)
[BBP (Izumi Bouko)] SpaTsuna no Hon. (Katekyoo Hitman REBORN!) [Chinese] [地下兔宮汉化组]
Shishunki no Obenkyou Ch. 1-3
(C80) [7menzippo (Kamishima Akira)] Nyota Tsuna Nikki (Katekyo Hitman REBORN!) [English] [biribiri]
Nettori Katekyo
[SIRIUS (Itsuki Sou)] INTER MISSION (Katekyoo Hitman REBORN!)
(Reitaisai 12) [Youyoumu (Nigo)] Youmu DAY's -Obenkyouhen- (Touhou Project)
(SUPER20) [Alpenreise (Ayano Ena)] HE x HT (Katekyo Hitman REBORN!)
(C72) [OMEGA 2-D (Hibino Tomoki, Shima Seiryuu)] JAJAUMA Scarlet Venus (Katekyoo Hitman REBORN!)
(Megassa Nyoro) [S Project (Hyuuga Seiryou)] Milk Lambo (Katekyo Hitman Reborn) [English] [Unholy Trinity Mafia + Aku-Tenshi]
Ningen no Obenkyou
(C81) [Alpenreise (Ayano Ena)] Synchrotation (Katekyo Hitman REBORN!)
(SUPER23) [DESORDEN (Kirihara Subako)] Taiiku Kyoushi Dino (Katekyo Hitman REBORN!)
[DOUMOU (DOUMOU)] Kankin Ryoujoku 2 (Katekyo Hitman REBORN!)
(C81) [GEM (Various)] Sameboss (Katei Kyoushi Hitman REBORN!)