How many movies have Tatsuo Endō and Toshio Nakayama collaborated on?

They have worked on 3 movies together! Their first movie together was Female Ninjas Magic Chronicles (1991) while their highest rated movie together was Female Ninjas Magic Chronicles 3: Sacred Book of Sexual Positions (1993). They have not worked together since Legend of the Devil (1996). They are most known for their action films together.