Mihina, a perverted dominatrix teacher, was afraid to call for help and be labeled as a rough girl, so she was silently raped to keep her voice down so that others would not find out. Her body is too sensitive and her climaxing voice leaks out as a violent sigh, and her suppressed pleasure explodes at once! Surrounded by vile men in the limit space (lavatory, infirmary, library, reception room) where there is no escape, she repeatedly suffers from humiliating mass incontinence and faints in agony! We are always getting fucked somewhere, just because we don't realize it..."
