How many movies have Chie Kobayashi and Yayoi Watanabe acted in together?

They have worked on 5 movies together! Their first movie together was Sex Up And Down (1972) while their highest rated movie together was Female Prisoner #701: Scorpion (1972). They have not worked together since Female Prisoner Scorpion: Beast Stable (1973). They are most known for their action films together.