How many movies have Masayasu Ōebara and Natsuo Kawafune collaborated on?

They have worked on 8 movies together! Their first movie together was Joshi daisei: Karisome no tsuma (1974) while their highest rated movie together was Uptown Lady: Days of Eros (1980). They have not worked together since Sekkusu dokku: Midarana chiryō (1980). They are most known for their drama films together.