How many movies have Megumi Hayashibara and Tsuyoshi Sakai collaborated on?

They have worked on 5 movies together! Their first movie together was Pokémon the Movie: Kyurem vs. the Sword of Justice (2012) 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.