How many movies have Sotaro Tanaka and Toshiyuki Okuma collaborated on?

They have worked on 3 movies together! Their first movie together was Solomon's Perjury 1: Suspicion (2015) while their highest rated movie together was Her Love Boils Bathwater (2016). They have not worked together since Her Love Boils Bathwater (2016). They are most known for their thriller films together.