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Writer
Male
May 13 1938
Age76
Yokosuka, Kanagawa prefecture, Japan
Years Active
1962 - 2015
Kazumasa Hirai
平井和正
About
Kazumasa Hirai was a Japanese SF writer, and a TV/ manga scenarist. His daughter is the mangaka [Mari Hirai](https://anilist.co/staff/100611).