How many movies have Mayumi Nakamura and Naoyuki Asano collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: The New Record of Nobita's Spaceblazer (2009) while their highest rated movie together was Blue Giant (2023). They have not worked together since Doraemon the Movie: Nobita's Sky Utopia (2023). They are most known for their animation films together.