How many movies have Shōhei Yamamoto and Yuka Morimura acted in together?

They have worked on 4 movies together! Their first movie together was Sukekomashi no okite SEX hōrō-ki (1973) while their highest rated movie together was Be Extremely Numb (1973). They have not worked together since Panty Operation (1973). They are most known for their drama films together.