How many movies have Kyoji Asano and Ryota Niino collaborated on?

They have worked on 6 movies together! Their first movie together was Martian Successor Nadesico: The Motion Picture - Prince of Darkness (1998) while their highest rated movie together was Ghost in the Shell: S.A.C. 2nd GIG - Individual Eleven (2006). 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.