How many movies have Nobuyuki Sugaya and Yu Mizushima collaborated on?

They have worked on 3 movies together! Their first movie together was One Million-Year Trip: Bander Book (1978) while their highest rated movie together was A Time Slip of 10000 Years: Prime Rose (1983). They have not worked together since Mahō no Star Magical Emi: Semishigure (1986). They are most known for their animation films together.