How many movies have Riko Yamagishi and Runo Yofu acted in together?

They have worked on 11 movies together! Their first movie together was Hello! Project 2020 Winter ~HELLO! PROJECT IS [     ]~ (2020) while their highest rated movie together was Hello! Project 2021 Summer ~Sapphire & Ruby~ (2021). They have not worked together since Hello! Project 2023 Winter ~TWO OF US~ (2023).