How many movies have Haruyasu Ito and Shinsho Nakamaru collaborated on?

They have worked on 9 movies together! Their first movie together was White Uniform in Rope Hell (1980) while their highest rated movie together was Koichiro Uno's Dirty Sisters' Barber Shop (1983). They have not worked together since Reipuhantā: Tōrima (1986). They are most known for their drama films together.