 Despite one of the original titles being "The Black Streetfighter",  this film bears no connection to Sonny Chiba (qv)s series of  martial arts pictures, including  _Gekitotsu! Satsujin ken (1974)_ (qv) (The Streetfighter) and  _Onna hissatsu ken (1974)_ (qv) (Sister Streetfighter).