Female Lawyer Raped!(1997)

Up-and-coming lawyer Sayoko Kirishima takes on the defense of Onodera, the suspect in a rape case involving a high school girl. Onodera, harboring an abnormal love for Sayoko, confines her. As she endures endless abuse, Sayoko gradually loses her sanity. Before long, she becomes addicted to the perverse pleasures and lust of the situation...