Kazumasa Hirai (平井 和正, Hirai Kazumasa, May 13, 1938 – January 17, 2015) was a Japanese novelist from Yokosuka, Kanagawa. He graduated from Yokosuka Industrial High School and the law department of Chuo University. Hirai is well known for his SF-manga work. He is the creator of 8 Man.
Novel
Wolfcrest 1, translated by Edward Lipsett. Tokyo: Kodansha English Library. 1985. ISBN 4061860135. (The anterior half of Ookami no Monshō)
Wolfcrest 2, translated by Edward Lipsett. Tokyo: Kodansha English Library. 1985. ISBN 4061860143. (The latter half of Ookami no Monshō)
Short story
"A Time for Revolution," translated by David Aylward. Speculative Japan: Outstanding Tales of Japanese Science Fiction and Fantasy, Tokyo: Kurodahan Press. 2007. ISBN 4902075261 (original title: Kakumei no Toki)
Megalopolis no Tora (1968)
Android Oyuki (1969)
Wolf Guy Series [ウルフガイ・シリーズ]
Adult Wolf Guy Series [11 volumes]
- Ookamiotoko da yo (He's a Werewolf!, 1969)
- Ookami yo, kokyou wo mi yo (1973)
- Rio no Ookamiotoko (1973)
- Jinrou Jigoku (Wolf Guy Inferno, 1974)
- Jinrou Sensen (Wolf Guy Front, 1974)
- Ookami wa nakazu (1974)
- Jinrou Hakusho (Wolf Guy Report, 1976)
- Jinrou Tenshi {3volumes} (Wolf Angel, 1978–1980)
- Wakaki Ookami no Shouzou (Portrait of a Young Wolf, 1979)
Wolf Guy Series [19 volumes]
- Ookami no Monshō (Wolfcrest, 1971)
- Ookami no Enka (1972)
- Ookami no Requiem {2volumes} (1975)
- Ougon no Shoujo {5volumes} (Golden Girl, 1985–1994)
- Inugami Akira {10volumes} (1994–1995)
Gekkou Majutsudan Series [30 volumes]
- Gekkou Majutsudan {12volumes} (Moonlight Magic, 1996–1998)
- Wolf Guy DNA {12volumes} (1999–2000)
- Genma Taisen DNA {6volumes} (Genma Wars DNA, 2002)
Wolf Guy Extra Volumes
- Wolfrando ~ Ookami no Sekai (Wolfland ~ The World of the Wolf, 1976)
- Megami Henshou (1988)
Cyborg Blues (1971)
Zombie Hunter [死霊狩り(ゾンビー・ハンター)]
Zombie Hunter (1972)
Zombie Hunter 2 (1976)
Zombie Hunter 3 (1978)
Akuryō no Joō (1976)
Genma Wars Séries [幻魔大戦シリーズ]
New Genma Wars (1978)
Real Genma Wars (1980-1985)
Genma Wars (1979-1983)
Armageddon (1987)
Armageddon Girl（The Girl in Harmagedon (closet screenplay) ハルマゲドンの少女） (1986)
Genma Wars deep (2005)
Genma Wars deep Toltec (2008)
Chikyuuju no Megami [地球樹の女神]
Chikyuuju no Megami (1988-1992)
Crystal Child (1997)
Sono hi no gogo, Hôdaiyama de (2004)
Bohemian Glass Street {9volumes} (1995)
21st Century 8 Man
Infinity Blue (2002)
Blue Series
- Blue Highways (2002)
- Blue Lady (2005)
Abduction Series
Jikuu bôsô kimagure Bus (2001)
Wayward Bus (2003)
Stray Sheep (2003)
Abduction (2003)
Silence (2003)
Shade (2003)
Capricious (2003)
8 Man (artist: Jiro Kuwata)
Elite (artist: Jiro Kuwata)
Chou ken Leap (artist: Jiro Kuwata)
Genma Taisen (artist: Shotaro Ishinomori)
Desu Hunter (artist: Jiro Kuwata)
Wolf Guy (artist: Hisashi Sakaguchi)
Spider-Man: The Manga (artist: Ryoichi Ikegami)
Shin Genma Taisen (artist: Shotaro Ishinomori)
Crystal Child (artist: Ayumi Izumitani)
Bachigami (artist: Yuuki Yogo)
8 Man Infinity (8 Man sequel: Kyôichi Nanatsuki, artist: Takayuki Takashi)
