[OVACAS] OVACAS SKETCH 2
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
Ovacas Style 2008
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
[Miray Ozaki] Boy Meets Girl 2
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
[Nagi Web (Shiba)] Shirei Daibousou (Neon Genesis Evangelion) [Digital]
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
(SC56) [Ninokoya (Ninoko)] Mouretsu Kaizoku Seikatsu 2 (Mouretsu Pirates)
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(C92) [obsession! (Hyouga.)] Hakushin Senshadoubu Keizoku no Urawaza (Girls und Panzer)
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
Gal Sexual
(C85) [Zetsubou Shiromuji (Shousan Bouzu)] Smiley PiXies5
Midorikawa Ijiri
[Tonnosuke] Izumi Sensei no Milky Lesson (COMIC Shingeki 2012-05)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Tenzen Miyabi] Kanbotsuyama Biwak (BUSTER COMIC 2015-03) [English] [desudesu]
[Yuzupon] HONEY
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
Yume Ressha ni Youkoso | 欢迎来到梦之电车
MaRukin-Gengashu Hardcore Mix 8 (illustrations, Rayearth, Wedding Peach, NG Knight Lamune &40)
(C70) [Kawaraya Honpo (Kawaraya A-ta)] Hana - Maki no Juuni - Hana no Yaiba (Witchblade) [English] [KageSennin]
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
[Riko] Umi ni Ikou yo | Let's Go to the Beach! (Otokonoko Heaven's Door 1) [English] [captcarisma]
Magical Girl x Kamen Rider, Sayaka & Fourze - Great War of Mitakihara MAGIMIX
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
Char no Ero Hon
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
[kinntarou] Saimin Shinsatsu [Digital]
Action Pizazz DX 2008-11
[OVACAS] Love Style+
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)
SHINODUKA
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
[VENOM (Mori Marimo)] Junjou Karen no My Honey (Steins;Gate) [English] [frogstat] [Digital]
(SC8) [Crimson (Carmine)] Yuganda Ai Maki No Ni 1/3 no Bonnou to Honnou (Rurouni Kenshin)
(C95) [Kansyouyou Marmotte (Mr.Lostman)] DESERT BEAUTY NAKED (Fate/Grand Order)
(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)