How many movies have Mao Akiyama and Ruru Kanemitsu acted in together?

They have worked on 14 movies together! Their first movie together was Hello! Project 2018 Kenshuusei Happyoukai 6gatsu ~Niji~ (2018) while their highest rated movie together was Hello! Project 2019 Winter ~YOU & I~ Hello! Project 20th Anniversary!! (2019). They have not worked together since Hello! Project 2019 Summer "harmony" (2019).