How many movies have Nishino Jun and Seto Kazuya collaborated on?

They have worked on 2 movies together! Their first movie together was Saint-Exupéry -The Pilot Who Became "The Little Prince"- (2012) while their highest rated movie together was A Fairy Tale: The Spirit of the Blue Rose (2019). They have not worked together since A Fairy Tale: The Spirit of the Blue Rose (2019).