How many movies have Fûtarô Yamada 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 Musume Bugyo On-na Ro Hisho (1995). They are most known for their action films together.