How many movies have Ken Memita and Koichi Sakamoto collaborated on?

They have worked on 4 movies together! Their first movie together was KIRI – Profession: Assassin (2015) while their highest rated movie together was Revice Forward: Kamen Rider Live & Evil & Demons (2023). They have not worked together since Ninja vs Shark (2023). They are most known for their action films together.