How many movies have Nao Ômori and Yumi Shimizu acted in together?

They have worked on 2 movies together! Their first movie together was Perfect Blue: Yume Nara Samete (2002) while their highest rated movie together was Yaji & Kita: The Midnight Pilgrims (2005). They have not worked together since Yaji & Kita: The Midnight Pilgrims (2005).