How many movies have Kotono Mitsuishi and Saeko Ozawa collaborated on?

They have worked on 7 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: Nobita's Chronicle of the Moon Exploration (2019). They have not worked together since Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They are most known for their animation films together.