How many movies have Minami Usui and Mizuka Ueda collaborated on?

They have worked on 5 movies together! Their first movie together was The Garden of Sinners: Future Gospel (2013) while their highest rated movie together was Maquia: When the Promised Flower Blooms (2018). They have not worked together since Detective Conan: The Scarlet Bullet (2021). They are most known for their animation films together.