How many movies have Renn Kiriyama and Shingo Nakagawa acted in together?

They have worked on 5 movies together! Their first movie together was Kamen Rider × Kamen Rider W & Decade: Movie War 2010 (2009) while their highest rated movie together was Kamen Rider W Returns: Kamen Rider Accel (2011). They have not worked together since Kamen Rider W Returns: Kamen Rider Accel (2011). They are most known for their science fiction films together.