How many movies have Shōji Sakai and Yutaka Iwasaki collaborated on?

They have worked on 3 movies together! Their first movie together was Farewell, Friend (1986) while their highest rated movie together was Niizuma kahanshin: Washizukami (1991). They have not worked together since Niizuma kahanshin: Washizukami (1991). They are most known for their drama films together.