How many movies have Eiko Masuyama and Keiko Yokozawa acted in together?

They have worked on 1 movie together! Their first movie together was Ninja Hattori-kun + Perman: Ninja Beast Jippō vs. Miracle Egg (1985) and was their highest rated movie together. They have not worked together since Ninja Hattori-kun + Perman: Ninja Beast Jippō vs. Miracle Egg (1985).