How many movies have Kazuhiko Inoue and Kengo Matsumoto collaborated on?

They have worked on 5 movies together! Their first movie together was Naruto Shippuden the Movie: The Will of Fire (2009) while their highest rated movie together was Road to Ninja: Naruto the Movie (2012). They have not worked together since Love Me, Love Me Not (2020). They are most known for their animation films together.