Kanako, a beautiful office lady who is not satisfied with normal sex, meets a man on a bulletin board for radical sex lovers. She instinctively seeks out the man she meets for the first time, grinding his stiffened penis against her cervix with her hips, bringing her to continuous orgasms! She begs for him to ejaculate inside her vagina! But the man has some radical allies. They thoroughly soil her beautiful face, skin, breasts, and vaginal opening, and train her! The three demons subject her to a raging, forced oral sex and radical sex! What will become of Kanako, who is covered in the smell of semen?