How many movies have Sonny Chiba and Tatsuya Nanjo acted in together?

They have worked on 3 movies together! Their first movie together was Miracle on Lubang Island: Army Nakano School (1974) while their highest rated movie together was Sister Street Fighter (1974). They have not worked together since 13 Steps of Maki: The Young Aristocrats (1975). They are most known for their crime films together.