How many movies have Shunsaku Kawake and Sumio Omori collaborated on?

They have worked on 4 movies together! Their first movie together was Shining Boy and Little Randy (2005) while their highest rated movie together was Okehazama: Oda Nobunaga Birth of the Overlord (2021). They have not worked together since Baian the Assassin, M.D.: Part 2 (2023). They are most known for their drama films together.