How many movies have Harumi Kashima and Nobuaki Shirai collaborated on?

They have worked on 7 movies together! Their first movie together was Furusato poruno-ki: Tsugaru shikoshiko bushi (1974) while their highest rated movie together was Apartment Wife: Secret Call Girl (1976). They have not worked together since OL kankin (hakuchū no reipu) (1985).