How many movies have Ikkei Watanabe and Ryuta Sato acted in together?

They have worked on 4 movies together! Their first movie together was Kisarazu Cat's Eye: Nihon Series (2003) while their highest rated movie together was Kisarazu Cat's Eye: World Series (2006). They have not worked together since I Don't Want to Kidnap Anyone Anymore (2012). They are most known for their drama films together.