How many movies have Yoshikazu Katō and Yukari Orihara collaborated on?

They have worked on 2 movies together! Their first movie together was Big Boobs Sisters:The Yellow Panties of Happiness (2016) while their highest rated movie together was Boin no o-yado: Jukujo dai enkai! (2016). They have not worked together since Boin no o-yado: Jukujo dai enkai! (2016).