How many movies have Riichirō Manabe and Tomohiro Kaiyama collaborated on?

They have worked on 3 movies together! Their first movie together was Wild Ducks and Green Onions (1968) while their highest rated movie together was Hakuchô no uta nanka kikoenai (1972). They have not worked together since Hakuchô no uta nanka kikoenai (1972). They are most known for their drama films together.