How many movies have Shintarō Katsu and Shunji Natsume acted in together?

They have worked on 3 movies together! Their first movie together was Migratory Birds of the Flowers (1956) while their highest rated movie together was Hidden Story of the Yagyu Clan (1956). They have not worked together since Flowery Hood (1956). They are most known for their drama films together.