How many movies have Nana Okada and Yasushi Akimoto collaborated on?

They have worked on 2 movies together! Their first movie together was Sashihara Rino Graduation Concert 〜Sayonara Sashihara Rino〜 (2019) and was their highest rated movie together. They have not worked together since Minegishi Minami Graduation Concert ~Sakura no Sakanai Haru wa Nai~ (2021).