How many movies have Megumi Hayashibara and Susumu Matsunaga collaborated on?

They have worked on 3 movies together! Their first movie together was Pokémon the Movie: Diancie and the Cocoon of Destruction (2014) while their highest rated movie together was Pokémon the Movie: Hoopa and the Clash of Ages (2015). They have not worked together since Pokémon the Movie: Volcanion and the Mechanical Marvel (2016). They are most known for their animation films together.