How many movies have Eihi Shiina and Takumi Saitoh acted in together?

They have worked on 4 movies together! Their first movie together was Vampire Girl vs. Frankenstein Girl (2009) while their highest rated movie together was Meatball Machine Kodoku (2017). They have not worked together since Meatball Machine Kodoku (2017). They are most known for their comedy films together.