How many movies have Kazuko Sugiyama and Machiko Washio acted in together?

They have worked on 7 movies together! Their first movie together was Urusei Yatsura: Only You (1983) while their highest rated movie together was Urusei Yatsura: Beautiful Dreamer (1984). They have not worked together since Urusei Yatsura: The Final Chapter (1988). They are most known for their animation films together.