How many movies have Mika Tomiya and Shin'ichirō Miki collaborated on?

They have worked on 1 movie together! Their first movie together was Pokémon the Movie: Diancie and the Cocoon of Destruction (2014) and was their highest rated movie together. They have not worked together since Pokémon the Movie: Diancie and the Cocoon of Destruction (2014).