How many movies have Shōji Sakai and Yôko Satomi collaborated on?

They have worked on 10 movies together! Their first movie together was Mofuku Shimai: Tappuri Nurashite (1999) while their highest rated movie together was Female Prisoner Ayaka: Bitch-Training Torment (2008). They have not worked together since Tôsatsu family: Oyako nama chûkei (2014).