How many movies have Devi Kobayashi and Kazuki Kiyomoto collaborated on?

They have worked on 3 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 - Natural Born Fools For Foolish Adults (2018). They are most known for their comedy films together.