How many movies have Chisato Ōgawara and Shōji Sakai collaborated on?

They have worked on 3 movies together! Their first movie together was Hairdresser Widow's Devouring Pleasure (1999) while their highest rated movie together was Female Prisoner Ayaka: Bitch-Training Torment (2008). They have not worked together since Female Prisoner Ayaka: Bitch-Training Torment (2008).