How many movies have Hiroshi Butsuda and Hiroshi Takahashi collaborated on?

They have worked on 6 movies together! Their first movie together was Kamen Rider Kabuto: God Speed Love (2006) while their highest rated movie together was Kamen Rider Den-O The Movie: I’m Born! (2007). 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.