How many movies have Yuki Yoshizawa and Yûko Asuka acted in together?

They have worked on 5 movies together! Their first movie together was Invisible Man: Rape! (1978) while their highest rated movie together was Flesh Target: Rape! (1979). They have not worked together since Shinnyû Shain: (Maruhi) OL Ôoku Monogatari (1980).