How many movies have Katsuhiko Nakajima and Naomichi Marufuji acted in together?

They have worked on 15 movies together! Their first movie together was NJPW Nexess (2004) while their highest rated movie together was NOAH: Destiny 2005 (2005). They have not worked together since NJPW/AJPW/NOAH All Together: Again (2023).