How many movies have Mayumi Shou and Yuriko Yamamoto acted in together?

They have worked on 5 movies together! Their first movie together was Penguin's Memory: A Tale of Happiness (1985) and was their highest rated movie together. They have not worked together since Super Real Mahjong: Mahjong Battle Scramble - Konran-teki sento mahjong (1990). They are most known for their animation films together.