How many movies have Kaori Harukawa and Mary Aoi collaborated on?

They have worked on 5 movies together! Their first movie together was The Sekkan 2: kairaku-hen (1985) while their highest rated movie together was Za gyakutai: Nyotai ikedori-hen (1987). They have not worked together since SM Madonna: Aigyaku (1987). They are most known for their horror films together.