How many movies have Norihito Sumitomo and Setsurô Wakamatsu collaborated on?

They have worked on 6 movies together! Their first movie together was Whiteout (2000) while their highest rated movie together was Fate (2004). They have not worked together since ペルソナの密告 ３つの顔をもつ容疑者 (2023). They are most known for their drama films together.