How many movies have Atsushi Aono and Terumi Muto collaborated on?

They have worked on 3 movies together! Their first movie together was A Wind Named Amnesia (1990) while their highest rated movie together was Natsume's Book of Friends: Ephemeral Bond (2018). They have not worked together since Natsume's Book of Friends: Ephemeral Bond (2018). They are most known for their animation films together.