How many movies have Rie Matsubara and Yoshio Kozakai collaborated on?

They have worked on 2 movies together! Their first movie together was Kizumonogatari Part 1: Tekketsu (2016) while their highest rated movie together was Kizumonogatari Part 3: Reiketsu (2017). They have not worked together since Kizumonogatari Part 3: Reiketsu (2017).