(CR28) [bolze. (rit.)] Kouichi ... Suki Yo (Naka) (Kizuato)
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
[Kantou Usagi Gumi] Pink Kami Keikaku (Various)
[Mint Chocolate (Himuro Kouichi, Shirosaki Misaki, Yuuki Hina)] Suzumiya-san no Roshutsu (The Melancholy of Haruhi Suzumiya) [Digital]
Shouganai yo ne
(C76) [J.O.C★e.go!! (Midori Kouichi)] Lucky Tune (Neon Genesis Evangelion) [English] [TyroLuuki]
[Ronno & Kalus (Takada Bambi)] Hermaphrodite 2 (Fullmetal Alchemist) [English] [Secret Garden]
[Anthology] Doujin Anthology Bishoujo Gumi 2 (Various)
[Arima Kouichi] Haruranman - Spring Bloom (COMIC Anthurium 2021-04) [Chinese] [不够色汉化组] [Digital]
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
[Anthology] Futanarikko LOVE 3
Ikenai Seito
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
[Dowman Sayman] Preperation of a Feast + Aftermath of a Feast [English]
Itsumo yori Chotto dake Daitanna Kumano
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
[Hitotsukami (Kitamura Kouichi)] Do-S Misako
(C77) [JIBAKU-SYSTEM (Suzuki Amaharu)] Aoi-chan ga Ichiban (Zettai Karen Children)
[Anthology] Shota Zuki One-san ha Okirai? 2 | Sho-taro One-san Anthology 2
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
The Ootakadaira Family
[Paranoid Creep] Ayumi and Lisa
[Souka Sentou (Various)] Neba Yuri 4 - Choimori [Digital]
(C86) [BOOKS Takada (Yoshi-Puu)] Chiccha na Hito-chan AFTER 2 (Mitsudomoe)
[Teitetsu Kishidan] Hunting
(C85) [BOOKS Takada (Yoshi-puu)] Yawaraka Sanjo-san (Mitsudomoe)
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
(C82) [Low Thrust (Tsunagami)] ANOTHER DIMENSION (Another) [English] [EHCOVE]
COMIC Anthurium 2020-09
[Arima Kouichi] Let's You&I (COMIC Anthurium 2021-08) [Chinese] [两面包夹汉化组] [Digital]
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
COMIC SIGMA 2012-07 Vol.68
COMIC Megastore-H 2010-07
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
(C52) [Raimusha (Various)] Ebisu Taisen Kanzenban (Sakura Taisen)
(COMIC1☆4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yarudora - Otsukare Sampaguita hen (Toradora!)
COMIC AUN 2006-02 Vol. 117
[Kusano Kouichi] Kanojo to Kare no Himitsu | Her and His Secret (COMIC RiN 2005-01 Vol. 1) [English]
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
[Kusano Kouichi] Zoku Kanojo to Kare no Himitsu | Her and His Secret Continued (COMIC RiN 2005-05 Vol. 5) [English]
Ginger Girls
Tsuma toiu Sekai ~Takada Tomoyuki no Baai~
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
What do you Take me For? Ch.37/?
COMIC RIN Vol. 12 [2005-12]
Love Style
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)
Men's Dolphin 1999-11-01 Vol.03
(SC41) [JIBAKU-SYSTEM (Suzuki Amaharu)] K.A.O.R.U (Zettai Karen Children)
[Del Rio] Moshimo Kouichi ga …… Dattara (Another)
COMIC Anthurium 2021-08