How many movies have Kōichi Aihara and Raizō Ichikawa acted in together?

They have worked on 9 movies together! Their first movie together was Asataro the Crow (1956) while their highest rated movie together was Satan's Sword III: The Final Chapter (1961). They have not worked together since Sleepy Eyes of Death 5: Sword of Fire (1965). They are most known for their drama films together.