How many movies have Hidetoshi Kageyama and Toshikatsu Matsukaze acted in together?

They have worked on 7 movies together! Their first movie together was Late Bloom: Campus Erotica (1976) while their highest rated movie together was Zoom In: Rape Apartments (1980). They have not worked together since Love Beast: Attack! (1981). They are most known for their drama films together.