How many movies have Hiroyuki Seshita and Takahiro Sakurai collaborated on?

They have worked on 9 movies together! Their first movie together was Knights of Sidonia: The Movie (2015) while their highest rated movie together was Ajin: Demi-Human – Collide (2016). They have not worked together since Knights of Sidonia: Love Woven in the Stars (2021). They are most known for their animation films together.