How many movies have Makoto Shinkawa and Osamu Inoue collaborated on?

They have worked on 9 movies together! Their first movie together was Last Day of the Red Light District: March 31, 1958 (1974) while their highest rated movie together was Confessions of a Teenage Mother (1977). They have not worked together since Path of the Beast (1980). They are most known for their drama films together.