How many movies have Hirofumi Masuda and Shingo Natsume collaborated on?

They have worked on 3 movies together! Their first movie together was Mobile Suit Zeta Gundam - A New Translation II: Lovers (2005) while their highest rated movie together was Doraemon: Nobita's Dinosaur (2006). They have not worked together since Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011). They are most known for their science fiction films together.