How many movies have Jun Murakami and Tatsushi Ōmori collaborated on?

They have worked on 4 movies together! Their first movie together was Cop Festival: New Beginning (2003) while their highest rated movie together was When My Mom Died, I Wanted to Eat Her Ashes (2019). They have not worked together since When My Mom Died, I Wanted to Eat Her Ashes (2019). They are most known for their drama films together.