How many movies have Mikiya Katakura and Shinichi Koga collaborated on?

They have worked on 2 movies together! Their first movie together was Eko Eko Azarak: Wizard of Darkness (1995) while their highest rated movie together was Eko Eko Azarak II: Birth of the Wizard (1996). They have not worked together since Eko Eko Azarak II: Birth of the Wizard (1996).