How many movies have Hiroto Murata and Shinya Watada collaborated on?

They have worked on 2 movies together! Their first movie together was Aikatsu! Music Award: We all get a prize SHOW! (2015) while their highest rated movie together was Love Live! Sunshine!! The School Idol Movie Over the Rainbow (2019). They have not worked together since Love Live! Sunshine!! The School Idol Movie Over the Rainbow (2019).