How many movies have Ayu Kumano and Birdman Teppei collaborated on?

They have worked on 1 movie together! Their first movie together was A Raped and Defiled Tiny Titty Girl Ayu Ayu Sumikawa (2017) and was their highest rated movie together. They have not worked together since A Raped and Defiled Tiny Titty Girl Ayu Ayu Sumikawa (2017).