How many movies have Shinichirô Sawai and Yûko Kanô collaborated on?

They have worked on 4 movies together! Their first movie together was Military Comfort Woman (1974) while their highest rated movie together was Truck Rascals II: Ichibanboshi Runs Wild (1975). They have not worked together since Truck Rascals III: Homesick Ichibanboshi (1976). They are most known for their comedy films together.