How many movies have Etsuko Kawano and Saeko Ozawa collaborated on?

They have worked on 6 movies together! Their first movie together was The Last: Naruto the Movie (2014) 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.