How many movies have Ikue Otani and Mizuho Tajima collaborated on?

They have worked on 3 movies together! Their first movie together was Pokémon: Arceus and the Jewel of Life (2009) and was their highest rated movie together. They have not worked together since Pokémon the Movie: Volcanion and the Mechanical Marvel (2016). They are most known for their fantasy films together.