How many movies have Hiroko Murai and Masahiro Satou collaborated on?

They have worked on 6 movies together! Their first movie together was K-On! The Movie (2011) while their highest rated movie together was Tales of Zestiria: The Shepherd's Advent (2014). They have not worked together since Eureka: Eureka Seven Hi-Evolution (2021). They are most known for their animation films together.