How many movies have Hideyuki Tanaka and Tomohiro Kawahara collaborated on?

They have worked on 3 movies together! Their first movie together was Legend of the Galactic Heroes: Overture to a New War (1993) and was their highest rated movie together. They have not worked together since New Fist of the North Star: The Cursed City (2003). They are most known for their animation films together.