How many movies have Ei Shirai and Ken Mizoguchi acted in together?

They have worked on 6 movies together! Their first movie together was Outlaw: Goro the Assassin (1968) while their highest rated movie together was New Apartment Wife: Prostitution in Building #13 (1975). They have not worked together since True Story of a Woman in Jail: Continues (1975). They are most known for their action films together.