How many movies have Hideaki Anno and Yukinori Umetsu collaborated on?

They have worked on 1 movie together! Their first movie together was Space Battleship Yamato 2199: Odyssey of the Celestial Ark (2014) and was their highest rated movie together. They have not worked together since Space Battleship Yamato 2199: Odyssey of the Celestial Ark (2014).