How many movies have Ayami Hidaka and Shinichi Nakamura collaborated on?

They have worked on 8 movies together! Their first movie together was K-On! The Movie (2011) while their highest rated movie together was A Silent Voice: The Movie (2016). They have not worked together since Sound! Euphonium the Movie – May the Melody Reach You! (2017). They are most known for their animation films together.