How many movies have Junichi Hashimoto and Koichi Yamadera collaborated on?

They have worked on 3 movies together! Their first movie together was Kimagure Orange Road: I Want to Return to That Day (1988) while their highest rated movie together was Zorori the Naughty Hero: Super Adventure! (2012). They have not worked together since Zorori the Naughty Hero: Super Adventure! (2012). They are most known for their animation films together.