[Anthology] Oneesan de Ikou! 2
[Motley crew (Arima Kouichi)] Seifuku Gal to Doutei Kyoushi no Himitsu no Seikyouiku [Digital]
Comic Megastore 2001-11
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
(C62) [ALPS, Okachimentaiko, Rippadou (Various)] Next Climax Magazine 11 - Kakutokei III (Various)
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
COMIC Anthurium 2022-05
(C84) [Zeroshiki (Kabosu)] Judas kiss -Zenpen- (Haikyuu!!)
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
[Hitotsukami (Kitamura Kouichi)] Atsuatsu Elevator
(Comic Party) [bolze (rit.)] Kouichi ... Suki Yo (Zen) (Kizuato)
Doujin Anthology Bishoujo Gumi 2
[Nanri Kouchirou] Sex Saga
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
Karui Kimochi de Heya ni Ageta Gal to Hamemakuri!?
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(C82) [Low Thrust (Tsunagami)] ANOTHER DIMENSION (Another) [English] [EHCOVE]
(C69) [OVACAS (Hirokawa Kouichirou)] 1-NEN C-GUMI MAHOGUMI (Pani Poni)
[Fuzume] Chinanago-tai o Kunren suru Kokomi-sama (Genshin Impact) [Chinese] [黎欧x苍蓝星汉化组]
Tomodachi nante Kuso Kurae!
(C57) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Onna Darake no Okinawa Summit (Various)
COMIC POT 2003-11 Vol. 027
[Kusano Kouichi] Renai Complex - Love Complex [English] [SaHa]
31st of July [ENG]
(C73) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi o shiyou. 03 (Ouran High School Host Club) [English] [SaHa]
[Mint Chocolate (Himuro Kouichi)] Seven Deadly Sins Zenpen (D.Gray-man) [Digital]
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Senzo ha Hiaburi (Esper Mami)
(C68) [Rippadou (Inugai Shin, Takada Kouichi, ToWeR)] Rumble Bumps (Rumble Roses) [Digital]
Sarakedasu Kanojo
[Kusano Kouichi] Kanojo no Himitsu
[Naniwa Onsen Tamago Kumiai (Katsumi Kouichi)] Carrot Extend! (Pia Carrot e Youkoso!!)
[Hitotsukami (Kitamura Kouichi)] Watashi no Oshiri o Fuite!
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
[J.O.C★e.go!! (Midori Kouichi)] Koi no Recipe ~Cream to Strawberry ni Oboretai~ (Brave Story)
(Shota Scratch 3) [J.O.C e.go!! (Midori Kouichi)] Jersey+Haitenai (Tengen Toppa Gurren Lagann) [English]
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
COMIC Anthurium 2021-04
After School XX Time
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
[Nanri Kouichirou] Ippatsume! ~First shot~
[Misato Kashiyama] Momori No Himiniku
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
(C52) [PERFECT CRIME (REDRUM)] You and Me Make Love.
COMIC Megastore H 2010-08
(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
COMIC Megastore-H 2010-07
(CR33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Neko no Ishu-gaeshi (The Cat Returns)
[Mint Chocolate (Nina Yuu, Himuro Kouichi, Shiori)] Roshutsu Shoujo Club 2 | Exhibitionism Girl Club 2 [Digital]
[Hitotsukami (Kitamura Kouichi)] Hazukashi Sugiru Kimodameshi
(C46) [Youmu Shippitsusha Tou (Ohsima Kouichi, Akusyu 0.5 Second, Marun Berei)] Gelbe Sónne 8 (よろず)
Ganbatte !! Aoi-chan (Incomplete ?)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
COMIC Ananga Ranga Vol. 2 [Digital]
COMIC AUN 2004-08 Vol. 99
[Kusano Kouichi] SPOON
人付き合いが苦手な未亡人の雪女さんと呪いの指輪
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
COMIC AUN 2005-10 Vol. 113
No-Pan Shoujo
(Shota Collection 3) [KuruGuru DNA (Hoshiai Hilo)] Binrouteki Fuuin (Digimon Frontier) [English] {Shotachan}
COMIC AUN 2003-11 Vol. 90