How many movies have Joji Tanaka and Sachi Hamano collaborated on?

They have worked on 28 movies together! Their first movie together was Tokubetsu kikaku: The tôkô shashin (1990) while their highest rated movie together was Gibo no onanii: Hatsujô roshutsu (1997). They have not worked together since In Search of a Lost Writer: Wandering in the World of the Seventh Sense (1999). They are most known for their drama films together.