How many movies have Koji Arima and Kyōji Tōyama acted in together?

They have worked on 9 movies together! Their first movie together was Merciless Blade Part 2 (1953) while their highest rated movie together was Shimizu Port of Chivalry (1957). They have not worked together since Scarier than the Devil (1960). They are most known for their drama films together.