How many movies have Kaoru Kobayashi and Ken Mitsuishi acted in together?

They have worked on 7 movies together! Their first movie together was Tokyo Towers: Mom and Me, and Sometimes Dad (2007) while their highest rated movie together was Double Trouble (2008). They have not worked together since Fueled: The Man They Called "Pirate" (2016). They are most known for their drama films together.