How many movies have Naoki Arakawa and Yukako Tsuzuki collaborated on?

They have worked on 4 movies together! Their first movie together was Ghost in the Shell: Stand Alone Complex - Solid State Society (2006) and was their highest rated movie together. They have not worked together since Psycho-Pass: Sinners of the System - Case.2 First Guardian (2019). They are most known for their science fiction films together.