How many movies have Shinya Kato and Takahiro Sakurai collaborated on?

They have worked on 3 movies together! Their first movie together was Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020) and was their highest rated movie together. They have not worked together since That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022). They are most known for their fantasy films together.