How many movies have Mayumi Tanaka and Toku Nishio acted in together?

They have worked on 3 movies together! Their first movie together was Arion (1986) while their highest rated movie together was The Tale of Osamu Tezuka: I'm Son-Goku (1989). They have not worked together since Dragon Ball Z: The Return of Cooler (1992). They are most known for their animation films together.