How many movies have Akitoshi Mori and Takahiro Sakurai collaborated on?

They have worked on 3 movies together! Their first movie together was Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment (2019) while their highest rated movie together was Psycho-Pass: Sinners of the System - Case.2 First Guardian (2019). They have not worked together since Backflip!! The Movie (2022). They are most known for their animation films together.