How many movies have Kenji Kawai and Tomoyuki Miyagawa collaborated on?

They have worked on 2 movies together! Their first movie together was Baian the Assassin, M.D.: Part1 (2023) while their highest rated movie together was Baian the Assassin, M.D.: Part 2 (2023). They have not worked together since Baian the Assassin, M.D.: Part 2 (2023).