How many movies have Issei Futamata and Matsuri Okuda collaborated on?

They have worked on 3 movies together! Their first movie together was Legend of the Galactic Heroes: My Conquest Is the Sea of Stars (1988) while their highest rated movie together was Legend of the Galactic Heroes: Overture to a New War (1993). They have not worked together since Legend of the Galactic Heroes: Overture to a New War (1993). They are most known for their science fiction films together.