How many movies have Ikue Otani and Yuji Ueda acted in together?

They have worked on 20 movies together! Their first movie together was Pokémon: The First Movie (1998) while their highest rated movie together was Martian Successor Nadesico: The Motion Picture - Prince of Darkness (1998). They have not worked together since Pokémon the Movie: Mewtwo Strikes Back - Evolution (2019). They are most known for their animation films together.