How many movies have Shinya Takahashi and Yuki Kajiura collaborated on?

They have worked on 5 movies together! Their first movie together was Sword Art Online: The Movie - Ordinal Scale (2017) while their highest rated movie together was Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020). They have not worked together since Sword Art Online the Movie – Progressive – Scherzo of Deep Night (2022). They are most known for their fantasy films together.