How many movies have Eiji Tsuru and Takeshi Saito collaborated on?

They have worked on 3 movies together! Their first movie together was Rapist in Uniform: A Sexual Demon (1986) while their highest rated movie together was True Story of a Woman in Soapland: Tear! (1987). They have not worked together since True Story of a Woman in Soapland: Tear! (1987). They are most known for their drama films together.