How many movies have Ayana Murakoshi and Karin Onoda acted in together?

They have worked on 15 movies together! Their first movie together was Hello! Project 2019 COUNTDOWN PARTY 2019-2020 ~GOODBYE & HELLO!~ (2019) while their highest rated movie together was Hello! Project Kenshuusei Happyoukai 2021 3gatsu ~Yell~ (2021). They have not worked together since Hello! Project 2022 Year-End Party ~GOODBYE & HELLO!~ (2022).