How many movies have Hajime Kaburagi and Isamu Nagato collaborated on?

They have worked on 4 movies together! Their first movie together was Sword: Flower-Strewn Path of Courage (1966) while their highest rated movie together was Crimson Bat, the Blind Swordswoman (1969). They have not worked together since Crimson Bat, the Blind Swordswoman (1969).