How many movies have Ikuko Tamine and Sayaka Ichiyama collaborated on?

They have worked on 13 movies together! Their first movie together was Beyond the Boundary: I'll Be Here – Future (2015) while their highest rated movie together was Free! the Final Stroke The First Volume (2021). They have not worked together since Tsurune the Movie: The First Shot (2022). They are most known for their animation films together.