Two models who cooperated in a medical education video shoot are completely stripped naked and, despite intense nervousness, involuntarily urinate while their genital areas are touched. Meanwhile, a female student suffering from constipation undergoes direct fecal extraction, with fingers inserted into her anus as feces are manually removed—an intensely humiliating experience. Under the guise of medical experimentation, they endure physically and psychologically painful procedures, ultimately left with deep regret.