Yui Hatano, the heiress of the Hatano Group, lost her parents at a young age and was raised solely on the vast fortune they left behind. However, her materialistic upbringing led her down a dark path, earning the hatred of her factory manager, who subjected her to forced intimate acts. Worse still, she was betrayed by her secretary—the one person she trusted—leading to a humiliating bound threesome. Through this relentless suffering, Yui falls into a state of bondage trance, descending into a world of twisted pleasure. This intense story vividly captures how humiliation and agony transform her, shaking the soul from beginning to end.