How many movies have Akio Ido and Osamu Inoue collaborated on?

They have worked on 9 movies together! Their first movie together was Confessions of an Adolescent Wife: Shocking! (1973) while their highest rated movie together was The Watcher in the Attic (1976). They have not worked together since Lady Karuizawa (1982). They are most known for their drama films together.