How many movies have Tetsuji Hayashi and Yoshimi Arai collaborated on?

They have worked on 3 movies together! Their first movie together was Female Ninjas Magic Chronicles 4: Rebel Forces at the Threshold (1994) while their highest rated movie together was Female Ninjas Magic Chronicles: Legend of Yagyu Part 1 (1998). They have not worked together since Female Ninjas Magic Chronicles: Legend of Yagyu Part 1 (1998). They are most known for their action films together.