(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
(C89) [Shimoyakedou (Ouma Tokiichi)] Junsui Seisai (Touhou Project)
Jigokuzame no Mendelssohn Ore no Haka no Mae de Nakanaide Kure II
Kiyohime to Icha Love Mujintou Kaitaku
Irekawari!! ~Imouto no Karada de Sex Zanmai~
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
Usagi Pouch 3
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
YURI ?
Musuko ni Chichisuke Manhami Ero Shitagi o Kyouyou Sareta Haha
(C91) [Omoshiro Burger (Tokuda Shinnosuke)] Poteōre
Niku no Tou
[Miray Ozaki] Boy Meets Girl 2
Koharu Biyori ni Hai ga Saku | 小阳春时灰尘盛开 Ch. 1-5
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
Majo no Zairyou Atsume
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Amadeus No Isan] Rapid Game {To Heart 2}
Comic BonBobon! 2000-08
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
[Gamushara! (Nakata Shunpei)] Dragon Ranger Aka Hen Joshou, Vol. 1-4 | Dragon Ranger Red Prologue, Chapter 1-4 [English] {Spirit} [Digital]
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(C80) [PJ-1 (PJ-1)] Misato to Ritsuko Monzetsu Misoji Yuugi (Neon Genesis Evangelion)
(SC19) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Rotation (Gundam SEED)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
Mitsu-shoku
Mama no Nayamigoto
(C82) [Blue Crest (Aono Akira)] Taihen desu Gohan-san Onnanoko ni Nacchaimashita. (Dragon Ball Z) [English] [Fated Circle]
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
Yakusoku
Love Style
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
[Tonnosuke] Izumi Sensei no Milky Lesson (COMIC Shingeki 2012-05)
[Kurai Nao] Zoku Shidare Company Shachou Reijou Yuukai Jiken (Dagashi Kashi)
(C85) [Ice Sugar (Utano)] Imouto ga Kawaiku nai node Saimin kakete mita
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Pretty Cure)
Kyoudai no Katachi Zenpen
(C81) [Sibou Suitei Jikoku (Tehen)] SCHOOL CASTE (Accel world) [English] {doujins.com}
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
Comic Minimon 2005-04 Vol.18
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
[OVACAS] Love Style+
COMIC Unreal 2016-10 Vol. 63