How many movies have Mantaro Koichi and Mitsu Murata acted in together?

They have worked on 4 movies together! Their first movie together was Platonic Sex (2001) while their highest rated movie together was Rurouni Kenshin Part III: The Legend Ends (2014). They have not worked together since Rurouni Kenshin Part III: The Legend Ends (2014). They are most known for their drama films together.