How many movies have Masaki Yasuda and Naohiro Tafu collaborated on?

They have worked on 3 movies together! Their first movie together was Children Who Chase Lost Voices (2011) while their highest rated movie together was K-On! The Movie (2011). They have not worked together since Berserk: The Golden Age Arc I - The Egg of the King (2012). They are most known for their animation films together.