How many movies have Ryota Niino and Yoshinori Murakami collaborated on?

They have worked on 6 movies together! Their first movie together was Tales of Vesperia: The First Strike (2009) while their highest rated movie together was Psycho-Pass: The Movie (2015). 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 animation films together.