(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
aru onnna no nichijou
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
[Tendou Itto] Gifu no Nikuyome
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
2D Comic Magazine Nikuyoroi ni Natta Onna-tachi Vol. 1
(C91) [Shinshunshantonshou (Bukatsu)] Koiyoi Lamretta! (Granblue Fantasy)
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(C76) [iYou (Yukkyun)] Zansho Omimai Moushiagemasu (Code Geass: Lelouch of the Rebellion)
[Yuzupon] HONEY
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
Midorikawa Ijiri
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
MaRukin-Gengashu Hardcore Mix 8 (illustrations, Rayearth, Wedding Peach, NG Knight Lamune &40)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Kugami Angning] Hatsumono no Imouto o Jikkei ga Okasu!
(C48) [Jiyuugaoka Shoutengai (Hiraki Naori)] Humming Bird Last Wing (Idol Defense Force Hummingbird)
Eromangaka Wa Mita!
(C88) [Namacyoko (Chokoboll Mukakoi.)] Netorare Sakunyuukan Takao (Kantai Collection -KanColle-)
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
(C65) [OVACAS (Hirokawa Kouichirou)] FLOW MY TEARS A SENIOR SAID (Uchuu No Stellvia)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
Gal Sexual
Action Pizazz DX 2008-11
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
[VENOM (Mori Marimo)] Junjou Karen no My Honey (Steins;Gate) [English] [frogstat] [Digital]
Bakunyuu Zuma no Midashinami
(SC56) [Ninokoya (Ninoko)] Mouretsu Kaizoku Seikatsu 2 (Mouretsu Pirates)
After School XX Time
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
Shijou Saikyou no Deshi Ken'ichi Bishoujo Dorei Miu Kounai Choukyou Hen
Yume Ressha ni Youkoso | 欢迎来到梦之电车
(SC8) [Crimson (Carmine)] Yuganda Ai Maki No Ni 1/3 no Bonnou to Honnou (Rurouni Kenshin)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
(SPARK10) [Iden (Yukinko)] Moshimo Moshimo, no Monogatari (Shingeki no Kyojin)
(C63) [OVACAS (Hirokawa Kouichirou)] Shirobom (Bomberman Jetters)
Let's Study!
(Reitaisai 11) [RedBullian Oukoku (sigmarion)] Kazami Yuuka's Penis Blossom Garden (Touhou Project)
Magical Girl x Kamen Rider, Sayaka & Fourze - Great War of Mitakihara MAGIMIX
Damegami-sama no Succubus Beit!
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
[Takeki Michiaki] Darkside - Welcome To The Darkside [English]
Comic BonBobon! 2000-08