How many movies have Ikkei Yamamoto and Taiichiro Matsumura acted in together?

They have worked on 5 movies together! Their first movie together was Ensemble Stars! On Stage ~Festival~ (2018) while their highest rated movie together was Ensemble Stars! Extra Stage ~Night of Blossoming Stars~ (2020). They have not worked together since Ensemble Stars! THE STAGE -Party Live- (2023).