How many movies have Hiroshi Nawa and Ryôko Ema acted in together?

They have worked on 11 movies together! Their first movie together was The Erotomaniac Daimyo (1972) while their highest rated movie together was Terrifying Girls' High School: Delinquent Convulsion Group (1973). They have not worked together since Confessions of Lady Mantis (1975). They are most known for their action films together.