How many movies have Kazuyoshi Yamada and Shin-ichiro Shirakura collaborated on?

They have worked on 2 movies together! Their first movie together was Shin Kamen Rider: Prologue (1992) while their highest rated movie together was Kamen Rider Agito: Project G4 (2001). They have not worked together since Kamen Rider Agito: Project G4 (2001).