How many movies have Kazuko Shibata and Kunihiko Sakurai collaborated on?

They have worked on 5 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 maboroshi (2023). They are most known for their animation films together.