How many movies have Akito Matsuda and Shinichi Nakamura collaborated on?

They have worked on 6 movies together! Their first movie together was Love, Chunibyo & Other Delusions! Rikka Version (2013) while their highest rated movie together was Sound! Euphonium: Ensemble Contest (2023). They have not worked together since Sound! Euphonium: Ensemble Contest (2023). They are most known for their animation films together.