As a writer, he used another name: Otsuma Shinozuka (Japanese: 紫之塚 乙馬).
[1] Futagawa was born Kichinosuke Takizawa on 18 June 1899, in Misaki, Shiba, Tokyo (present-day Mita, Minato, Tokyo), to a family of tea merchants.
His younger brother by three years was film director Eisuke Takizawa.
[2] He studied business at Chuo University, but dropped out to join Taishō Katsuei in Yokohama in April 1921.
[2] In the silent era, Futagawa worked with actor Tsumasaburō Bandō.