How many movies have Isao Okishima and Takashi Sugisaki collaborated on?

They have worked on 3 movies together! Their first movie together was Vagabond of Sex (1967) while their highest rated movie together was New Underground History of Japanese Violence: Vengeance Demon (1969). They have not worked together since New Underground History of Japanese Violence: Vengeance Demon (1969). They are most known for their drama films together.