How many movies have Ichirō Miyagawa and Yoko Shibamura collaborated on?

They have worked on 1 movie together! Their first movie together was 監察医 室生亜季子㉚ 震える顔 (2001) and was their highest rated movie together. They have not worked together since 監察医 室生亜季子㉚ 震える顔 (2001).