How many movies have Kouji Maruyama and Rin Yamamoto collaborated on?

They have worked on 10 movies together! Their first movie together was Love, Chunibyo & Other Delusions! Rikka Version (2013) while their highest rated movie together was Free! the Final Stroke The First Volume (2021). They have not worked together since Free! the Final Stroke The Second Volume (2022). They are most known for their drama films together.