How many movies have Gen Urobuchi and Yoko Matsuzaki collaborated on?

They have worked on 4 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 3: First Inspector (2020). They have not worked together since Psycho-Pass 3: First Inspector (2020). They are most known for their animation films together.