How many movies have Hikaru Tsukuda and Hiroyuki Keitora collaborated on?

They have worked on 4 movies together! Their first movie together was Fool Japan: The ABCs of Tetsudon (2014) while their highest rated movie together was Tetsudon: the kaiju dream match (2017). They have not worked together since Tetsudon: rated T for fools, idiots and dummies (2019). They are most known for their comedy films together.