How many movies have Ryôko Ema and Yûko Kanô acted in together?

They have worked on 5 movies together! Their first movie together was Terrifying Girls' High School: Lynch Law Classroom (1973) while their highest rated movie together was Terrifying Girls' High School: Delinquent Convulsion Group (1973). They have not worked together since New Female Prisoner 701: Scorpion (1976). They are most known for their crime films together.