How many movies have Yoshishige Kosako and Yumi Chiba collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita and the Island of Miracles – Animal Adventure (2012) while their highest rated movie together was Doraemon the Movie: Nobita's Sky Utopia (2023). They have not worked together since Doraemon the Movie: Nobita's Sky Utopia (2023). They are most known for their animation films together.