How many movies have Hiromi Tsuru and Yoshinori Nakai collaborated on?

They have worked on 3 movies together! Their first movie together was Kinnikuman: Great Riot! Justice Chojin (1984) while their highest rated movie together was Kinnikuman: Justice Superman vs. Ancient Superman (1985). They have not worked together since Kinnikuman: Hour-of-Triumph! Justice Superman (1985). They are most known for their animation films together.