Kyoichi Yamaoka

Born in 1940 in Uryu, Hokkaido, Japan. In 1968, he left for Tokyo, and became familiar with the neighbourhood of Sanya. In 1972, he formed a committee aimed at fighting crime there. After the murder of Sato Mitsuo and according to his wishes, Yamaoka began working to complete the film. On 13 January 1986, he was shot to death by a member of the ultra-nationalist Konryu gang.