How many movies have Heihachiro Watanabe and Shōichi Teramoto collaborated on?

They have worked on 3 movies together! Their first movie together was Burning Skin (1972) while their highest rated movie together was Apartment Wife: Agony Afternoon (1972). They have not worked together since Maruhi anaba joho: Hinba no toiki (1973). They are most known for their drama films together.