Graduated in the Tokyo Imperial University, debuted in 1951 with a novel awarded by the Weekly Asahi, confirmed in 1953 with another award for his work "Lord Protector of Child". From 1958 his novels have been converted into films, beginning with "Nagareboshi Jûshi Uchihishigareru" ("Battered Crossed Star"). His most adapted novels were jidai-geki, being the most outstanding in 1963 "Daisan no Kagemusha" ("The Third Shadow"), "Bushidô Zankoku Monogatari" ("Bushido Cruel Story") and above all "Murasaki Ukyonosuke", a film in two parts starring Hashizo Okawa playing moustached Murasaki. In 1975 another of his novels, "Genroku Taiheiki", was also transformed in a TV Series.