"This old man is seriously cruel, I can't believe it..." A voluptuous, big-breasted gyaru gets brutally pounded by a gross, fat old man's smelly cock, writhing and climaxing in agony. Initially resisting, she gradually becomes numb under the man's extreme, sticky conditioning, eventually falling completely under his spell and becoming his sex slave. A disturbing and intense progression unfolds, realistically depicting her complete psychological and physical breakdown.