How many movies have Akio Otsuka and Seiji Sasaki acted in together?

They have worked on 3 movies together! Their first movie together was TEKKEN: The Motion Picture (1998) while their highest rated movie together was Howl's Moving Castle (2004). They have not worked together since Nasu: A Migratory Bird with Suitcase (2007). They are most known for their animation films together.