How many movies have Masahiro Yoshihara and Yuko Kogure collaborated on?

They have worked on 1 movie together! Their first movie together was Joshidai-sei no kahanshin: Na-n mo shiran oya (1982) and was their highest rated movie together. They have not worked together since Joshidai-sei no kahanshin: Na-n mo shiran oya (1982).