How many movies have Hiroshi Sunaga and Masaki Suda collaborated on?

They have worked on 4 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 Eternal (2011). They have not worked together since Kamen Rider x Kamen Rider Fourze & OOO Movie Wars Mega Max (2011). They are most known for their adventure films together.