How many movies have Emiko Endo and Yuka Aono collaborated on?

They have worked on 4 movies together! Their first movie together was Tamagotchi: The Movie! The Happiest Story in the Universe!? (2008) and was their highest rated movie together. They have not worked together since Bodacious Space Pirates: Abyss of Hyperspace (2014). They are most known for their animation films together.