How many movies have Hidetoshi Kageyama and Yoshio Murai collaborated on?

They have worked on 5 movies together! Their first movie together was New Apartment Wife: Blue Film Woman (1975) while their highest rated movie together was Watashi wa okasaretai (1978). They have not worked together since Sukeban Kabushiki-gaisha: Yacchae! Ojôsan (1984).