How many movies have Matsutarō Kawaguchi and Shun Ōide collaborated on?

They have worked on 5 movies together! Their first movie together was Onna no hanamichi (1971) while their highest rated movie together was Ten Duels of Young Shingo: Chapter 1 (1981). They have not worked together since Shingo's Ten Duels (1990). They are most known for their drama films together.