How many movies have Hiroshi Nawa and Jun Midorikawa acted in together?

They have worked on 6 movies together! Their first movie together was Terrifying Girls' High School: Women's Violent Classroom (1972) while their highest rated movie together was Terrifying Girls' High School: Delinquent Convulsion Group (1973). They have not worked together since Terrifying Girls' High School: Delinquent Convulsion Group (1973). They are most known for their crime films together.