How many movies have Ryoutarou Akao and Sadatoshi Matsuzaka collaborated on?

They have worked on 5 movies together! Their first movie together was Detective Conan: The Last Wizard of the Century (1999) while their highest rated movie together was Initial D Legend 2: Racer (2015). They have not worked together since Initial D Legend 3: Dream (2016). They are most known for their animation films together.