How many movies have Masahiko Sakata and Shirô Yumeno collaborated on?

They have worked on 4 movies together! Their first movie together was Office Lady Rape: Disgrace! (1986) while their highest rated movie together was Hentai byôtô: Hakui seme (1988). They have not worked together since OL renzoku rape: Kyonyû musaboru (1990). They are most known for their drama films together.