How many movies have Ichitarō Kuni and Kōji Takada collaborated on?

They have worked on 5 movies together! Their first movie together was Yagyu Chronicles 1: Secret Scrolls (1961) while their highest rated movie together was Red Peony Gambler: Execution of Duty (1972). They have not worked together since Battles Without Honor and Humanity: Final Episode (1974). They are most known for their action films together.