How many movies have Megumi Oohara and Takimi Echizen collaborated on?

They have worked on 3 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 New Dinosaur (2020). They have not worked together since Doraemon the Movie: Nobita's Little Star Wars 2021 (2022). They are most known for their family films together.