How many movies have Hiroyuki Miyasako and Ryomei Shirai collaborated on?

They have worked on 2 movies together! Their first movie together was タナカヒロシのすべて (2005) while their highest rated movie together was 20th Century Boys 1: Beginning of the End (2008). They have not worked together since 20th Century Boys 1: Beginning of the End (2008).