He lived in Korea to the end of World War II, when he was repatriated together with his parents to his father's home town of Hatsukaichi in Hiroshima Prefecture.
After graduation, he worked as an investigative reporter, and submitted short stories and small articles to literary magazines such as Shukan Shincho and Shūkan Bunshun.
The novel was made into a film by Daiei Motion Picture Company in 1962, Black Test Car, directed by Yasuzo Masumura.
However, in 1972, he had a relapse of his tuberculosis, and retired to his villa in Izu, from which he continued to write, and to participate in the activities of the Japanese chapter of the PEN International.
He collected more than 1,000 volumes of materials, some of which were classified documents of the Governor-General of Chōsen in preparation of an epic on the history of Japanese migration, but the project was never completed due to his untimely early death.