Prey, Ejiki (1979) dir. Koji Wakamatsu

Before he reopened his own production company, Wakamatsu directed his first mainstream film for a company called Shishi Productions that had a distribution deal with one of Japans major film studios (Toei). The film was called Prey (1979) and starred punk singercumactor Yuya Uchida as a man on a mission to bring reggae music to Japan through his old friends who work in the record industry, but are only interested in promoting the next factoryline idol singers and most of whom are involved in drugs and prostitution.