How many movies have Hisayasu Satô and Kyoko Nakamura collaborated on?

They have worked on 10 movies together! Their first movie together was OL renzoku rape: Kyonyû musaboru (1990) while their highest rated movie together was Seifuku nusumi-dori-ma: Gekisha naburu (1990). They have not worked together since Wakaoku-sama: Futomono-biraki (1994).