How many movies have Kaori Saito and Kazuhiro Wakabayashi collaborated on?

They have worked on 4 movies together! Their first movie together was Eden of the East Movie I: The King of Eden (2009) while their highest rated movie together was Josee, the Tiger and the Fish (2020). They have not worked together since Eureka: Eureka Seven Hi-Evolution (2021). They are most known for their drama films together.