How many movies have Hiroki Matsukata and Yōko Koizumi acted in together?

They have worked on 7 movies together! Their first movie together was The Rapacious Jailbreaker (1974) while their highest rated movie together was Japanese Godfather: Ambition (1977). They have not worked together since The Okinawa War of Ten Years (1978). They are most known for their crime films together.