How many movies have Chikako Kaku and Hiroyuki Nagato acted in together?

They have worked on 4 movies together! Their first movie together was Shoujo ni Nani ga Okotta ka (1985) while their highest rated movie together was Four Days of Snow and Blood (1989). They have not worked together since The Notorious Bored Samurai 6 (1991). They are most known for their drama films together.