How many movies have Ikue Otani and Rikako Aikawa acted in together?

They have worked on 5 movies together! Their first movie together was Pokémon the Movie 2000 (1999) while their highest rated movie together was Detective Conan: The Phantom of Baker Street (2002). They have not worked together since Pokémon the Movie: I Choose You! (2017). They are most known for their animation films together.