How many movies have Motoki Sakuma and Rie Kugimiya acted in together?

They have worked on 2 movies together! Their first movie together was Shinkansen Henkei Robo Shinkalion The Movie: The Marvelous Fast ALFA-X That Comes From the Future (2019) while their highest rated movie together was Gintama: The Very Final (2021). They have not worked together since Gintama: The Very Final (2021).