How many movies have Katsuya Kobayashi and Kensei Mikami acted in together?

They have worked on 3 movies together! Their first movie together was Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders (2017) while their highest rated movie together was Kamen Rider Build The Movie: Be The One (2018). They have not worked together since Kamen Rider Build NEW WORLD: Kamen Rider Cross-Z (2019). They are most known for their adventure films together.