How many movies have Kotono Mitsuishi and Reiko Ikeda collaborated on?

They have worked on 6 movies together! Their first movie together was Doraemon: Nobita's New Great Adventure Into the Underworld - The Seven Magic Users (2007) and was their highest rated movie together. They have not worked together since Doraemon: Nobita's Treasure Island (2018). They are most known for their family films together.