How many movies have Kazushi Miki and Takeshi Katayama collaborated on?

They have worked on 6 movies together! Their first movie together was Sukitomo (2007) while their highest rated movie together was Takumi-kun Series: Details of Beauty (2010). They have not worked together since Takumi-kun Series: That, Sunny Blue Sky (2011). They are most known for their drama films together.