How many movies have Kimiyo Saito and Yayoi Ogashiwa collaborated on?

They have worked on 5 movies together! Their first movie together was Case Closed: The Crimson Love Letter (2017) while their highest rated movie together was Rascal Does Not Dream of a Dreaming Girl (2019). They have not worked together since Rascal Does Not Dream of a Dreaming Girl (2019). They are most known for their animation films together.