How many movies have Kazumi Ikeda and Teru Matsumoto collaborated on?

They have worked on 11 movies together! Their first movie together was High☆Speed!: Free! Starting Days (2015) while their highest rated movie together was Free! the Final Stroke The First Volume (2021). They have not worked together since Sound! Euphonium: Ensemble Contest (2023). They are most known for their animation films together.