How many movies have Shigeru Saito and Tatsunori Kase collaborated on?

They have worked on 7 movies together! Their first movie together was Sound! Euphonium the Movie – May the Melody Reach You! (2017) 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 animation films together.