How many movies have Reiko Ike and Ryôko Ema acted in together?

They have worked on 9 movies together! Their first movie together was Girl Boss Guerilla (1972) while their highest rated movie together was Terrifying Girls' High School: Delinquent Convulsion Group (1973). They have not worked together since Graveyard of Honor (1975). They are most known for their action films together.