How many movies have Fuyumi Shiraishi and Keiko Yokozawa acted in together?

They have worked on 4 movies together! Their first movie together was Gauche the Cellist (1982) while their highest rated movie together was Space Runaway Ideon: Be Invoked (1982). They have not worked together since Ninja Hattori-kun + Perman: Ninja Beast Jippō vs. Miracle Egg (1985). They are most known for their animation films together.