How many movies have Masato Hayase and Yoo Nakano collaborated on?

They have worked on 8 movies together! Their first movie together was Kamen Rider 555: Paradise Lost (2003) while their highest rated movie together was Kamen Rider Den-O & Kiva: Climax Deka (2008). They have not worked together since Kamen Rider OOO Wonderful: The Shogun and the 21 Core Medals (2011). They are most known for their science fiction films together.