Bachelor of Laws, Tokyo University, 1949.
Teacher Tokushima Public High School, 1951—1961. President Holp Book Limited company, since 1961, Holp Shuppan Publications, Tokyo, since 1977.
Board managers Japan Classic Literature Foundation, since 1974. Board councillors Museum Modern Japanese Literature, since 1979. Board directors International Board on Books for Young People, since 1979.
Member of Association Book Sales Companies by Installments.
Married Asako Niki Nakamori, August 15, 1953. 1 child Kakuto.