How many movies have Itaru Era and Kazuya Hamana collaborated on?

They have worked on 3 movies together! Their first movie together was Andromedia (1998) while their highest rated movie together was Onmyoji: The Yin Yang Master (2001). They have not worked together since Onmyoji: The Yin Yang Master II (2003). They are most known for their action films together.