How many movies have Keiko Koyanagi and Shigeo Nishida collaborated on?

They have worked on 9 movies together! Their first movie together was Clothes of Deception (1951) while their highest rated movie together was Terrible Ghost Cat of Okazaki (1954). They have not worked together since Bamboo Doll of Echizen (1963). They are most known for their drama films together.