How many movies have Tamaki Matsumoto and Toshihiko Seki acted in together?

They have worked on 10 movies together! Their first movie together was Kamen Rider Den-O: Final Stage (2007) while their highest rated movie together was Kamen Rider Den-O & Kiva: Climax Deka (2008). They have not worked together since Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- (2017). They are most known for their action films together.