How many movies have Ikue Otani and Kyoko Matsubara collaborated on?

They have worked on 8 movies together! Their first movie together was Pokémon Ranger and the Temple of the Sea (2006) while their highest rated movie together was Pokémon: Arceus and the Jewel of Life (2009). They have not worked together since Pokémon the Movie: Volcanion and the Mechanical Marvel (2016). They are most known for their animation films together.