How many movies have Tensai Okamura and Yasuhiro Seo collaborated on?

They have worked on 4 movies together! Their first movie together was Yap! Bun Bun (1987) while their highest rated movie together was Legend of the Galactic Heroes: My Conquest Is the Sea of Stars (1988). They have not worked together since Mobile Suit Gundam 0083: Afterglow of Zeon (1992). They are most known for their animation films together.