How many movies have Naomi Ohzora and Yuuko Iida acted in together?

They have worked on 4 movies together! Their first movie together was THE IDOLM@STER CINDERELLA GIRLS 3rdLIVE シンデレラの舞踏会 - Power of Smile - Day2 (2016) while their highest rated movie together was Girls und Panzer das Finale: Part II (2019). They have not worked together since THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY M@GICAL WONDERLAND TOUR!!! CosmoStar Land Day1 (2022).