How many movies have Jōji Nagaoka and Koji Satomi acted in together?

They have worked on 5 movies together! Their first movie together was 柔肌しぐれ (1967) while their highest rated movie together was Lewd Priest: Forty-Eight Positions Cutting (1969). They have not worked together since Kōshoku-Ichidai Muhōmatsu (1969).