How many movies have Kohei Miyauchi and Mayumi Shou acted in together?

They have worked on 4 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.