How many movies have Katsuhiro Takagi and Yoshikazu Iwanami collaborated on?

They have worked on 4 movies together! Their first movie together was Psycho-Pass: The Movie (2015) and was their highest rated movie together. They have not worked together since Psycho-Pass: Sinners of the System - Case.3 On the Other Side of Love and Hate (2019). They are most known for their science fiction films together.