How many movies have Ai Sumire and Aya Ouka acted in together?

They have worked on 3 movies together! Their first movie together was PR×PRince (2019) while their highest rated movie together was fff -Fortississimo- / Silk Road ~A Bandit and a Jewel~ (2021). They have not worked together since City Hunter -The Stolen XYZ- / Fire Fever! (2021).