How many movies have Ryuji Sainei and Ryûji Ichiyama collaborated on?

They have worked on 5 movies together! Their first movie together was 20th Century Boys 3: Redemption (2009) while their highest rated movie together was SPEC: Zero (2013). They have not worked together since SPEC: Close~Reincarnation (2013). They are most known for their mystery films together.