How many movies have Heihachiro Watanabe and Yōko Azusa collaborated on?

They have worked on 8 movies together! Their first movie together was Wakazuma nikki: Modaeru (1977) while their highest rated movie together was Lady Karuizawa (1982). They have not worked together since Gigolo: A Docu-Drama (1982). They are most known for their drama films together.