How many movies have Masao Kosugi and Shoichi Motohashi collaborated on?

They have worked on 5 movies together! Their first movie together was Watch Out, Crimson Bat! (1969) while their highest rated movie together was Crimson Bat - Oichi: Wanted, Dead or Alive (1970). They have not worked together since Touch of Love (1974). They are most known for their drama films together.