How many movies have Chiyo Nakayama and Hiroshi Kamiya collaborated on?

They have worked on 3 movies together! Their first movie together was Psycho-Pass: The Movie (2015) while their highest rated movie together was Haikyuu!! The Movie: The End and the Beginning (2015). They have not worked together since Kuroko's Basketball the Movie: Last Game (2017). They are most known for their animation films together.