How many movies have Hanamaru Hakata and Hayato Onozuka acted in together?

They have worked on 2 movies together! Their first movie together was Kamen Rider × Super Sentai: Ultra Super Hero Wars (2017) while their highest rated movie together was Kamen Rider Ex-Aid the Movie: True Ending (2017). They have not worked together since Kamen Rider Ex-Aid the Movie: True Ending (2017).