How many movies have Ruriko Aoki and Yuka Otsubo acted in together?

They have worked on 6 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) and was their highest rated movie together. They have not worked together since Uma Musume Pretty Derby 3rd EVENT "WINNING DREAM STAGE" (2022).