How many movies have Akio Otsuka and Minoru Morita collaborated on?

They have worked on 3 movies together! Their first movie together was Inuyasha the Movie 3: Swords of an Honorable Ruler (2003) while their highest rated movie together was My Hero Academia: Two Heroes (2018). They have not worked together since My Hero Academia: Two Heroes (2018). They are most known for their animation films together.