How many movies have Kazuo Koike and Ume Takeda collaborated on?

They have worked on 3 movies together! Their first movie together was Kôkôsei burai hikae: Tsuki no Muramasa (1973) while their highest rated movie together was Demon Spies (1974). They have not worked together since Demon Spies (1974). They are most known for their comedy films together.