How many movies have Kazuo Ogura and Kiyotaka Oshiyama collaborated on?

They have worked on 4 movies together! Their first movie together was Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005) while their highest rated movie together was The First Slam Dunk (2022). They have not worked together since The First Slam Dunk (2022). They are most known for their animation films together.