How many movies have Daisuke Hirakawa and Masahiro Yokotani collaborated on?

They have worked on 6 movies together! Their first movie together was Free!: Timeless Medley - The Bond (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.