How many movies have Ayako Okada and Tadashi Yoyogi collaborated on?

They have worked on 4 movies together! Their first movie together was Semi-Document: Sukeban Bodyguard (1974) while their highest rated movie together was Semi-dokumento: Seifuku baishun - Shiroi chibusa (1977). They have not worked together since Kôshoku biyoshi (1978).