Hazuki Nanase is kidnapped by a secret organization and imprisoned, subjected to a nightmarish gang rape. Despite her fierce resistance, she is brutally penetrated by raw, fleshly cocks and repeatedly filled with massive creampie loads. Her human dignity is shattered as semen is forcibly injected through speculum devices, and continuous creampie gang bangs break her down through relentless training. As the grueling ordeal progresses, she is gradually overwhelmed by pleasure. Through this harsh experience, she begins to discover pleasure in living as a creampie-only flesh urinal.