How many movies have Hideo Okazaki and Motoki Yagi collaborated on?

They have worked on 3 movies together! Their first movie together was Roujin Z (1991) while their highest rated movie together was Legend of the Galactic Heroes: Overture to a New War (1993). They have not worked together since Bakumatsu no Spasibo (1997). They are most known for their animation films together.