 He studied English literature at Waseda University, but, deciding he could not make a living writing novels, entered Shochiku studio as an assistant director in 1952, and moved to Nikkatsu in 1955.Kumashiro worked as an assistant director and screenwriter until he was finally given a chance to direct in 1968.His debut film, "Front Row Life", told the story of a stripper and her daughter who wished to join her mother's profession.