[Anthology] Aokan Special
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
(C74) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Tome to Ojousama (Nijuu Mensou no Musume)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(C65) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Dokodemo♪ Friend (SEX FRIEND)
(C73) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. 03 (Ouran High School Host Club)
(C63) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Piano Lesson (The Big O) [English] [biribiri]
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
Men's Dolphin 1999-11-01 Vol.03
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
[ANTHOLOGY] Meganekko Deluxe
(C72) [GUNP (Mori Kouichirou, Sakura Akami)] Seven Star (Lucky Star)
After School XX Time
(CR28) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Konna Onna to Sounantte Mitai (ToHeart)
[Okinawa Taieki Gunjinkai(Yasunaga Kouichirou)] Suika ha kawa ga sukerumade
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
[Nanri Kouchirou] Sex Saga
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
(C69) [OVACAS (Hirokawa Kouichirou)] 1-NEN C-GUMI MAHOGUMI (Pani Poni)
(SC12) [Kacchuu Musume) (Various)] Shiritsu Sangendou Gakuen Koubaibu 4 Gou
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
(C50) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Iinchou Tottemo Guai Ga Iinchou (Neon Genesis Evangelion)
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
Kamogawa Hyper Chargers
[Shuudan Bouryoku (Murasaki Syu)] Takanashi-san-chi no 4 Shimai - 1 (WORKING!!)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
Ovacas Style 2008
[Hirokawa Kouichirou] A to Z
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Tenkaichi dare ga Lum-chan da Taikai (Urusei Yatsura)
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
[Anthology] Bishoujo Doujinshi Anthology 4 (Various)
(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
[Anthology] Aniparo Miki 4 (Various)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
(CSP6) [GUNP (Mori Kouichirou, Sakura Akami)] NAMANIEDO-NATSU (SHIROBAKO) [Chinese] [UAl汉化组]
(C72) [GUNP (Sakura Akami, Mori Kouichirou)] @FTERDRE@M Afterdream (THE IDOLM@STER) [Chinese] [偶像大师贴吧汉化组]
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
(COMIC1☆4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yarudora - Otsukare Sampaguita hen (Toradora!)
(SC33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. 02 (Ouran High School Host Club)
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
COMIC DOLPHIN 2004-06
(C67) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Eroika (Kaleido Star)
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Senzo ha Hiaburi
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
Kaleido Superstar Retsuden
(C78) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Occult Q (Occult Academy)
[Nanri Kouichirou] Saga Shitataru Shizuku
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
[Paper-Doll (Taira Kouichirou)] Suppin (Magic Knight Rayearth)
[Yumeizukosya, OVACAS (Hirokawa Kouichirou)] Ebisu Taisen (Sakura Taisen)
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. (Ouran High School Host Club)
[Deesert Vandet & 7 Grain Granola] Do The Bad Things (FFVII) (English)
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)