How many movies have Mariya Ise and Tsutomu Nishiyama collaborated on?

They have worked on 4 movies together! Their first movie together was Tiger & Bunny: The Beginning (2012) while their highest rated movie together was Pokémon the Movie: Volcanion and the Mechanical Marvel (2016). They have not worked together since Pokémon the Movie: Volcanion and the Mechanical Marvel (2016). They are most known for their animation films together.