The protagonist, a man who runs several love hotels encounters a mysterious woman, Hasumi Kosuzu. She claims that in a past life, she was completely devoted to him, offering both her body and soul. Though initially taken aback by her wild story, the protagonist finds himself intrigued by Kosuzu, who seems distinctly different from other women. He agrees to form a master-slave relationship with her, as she desires. As he trains Kosuzu, he discovers a deep satisfaction in connecting with a woman who submits to him. This sparks an ambition in him—to make women submit to him through his own power. He sets his sights on Souseikan, a famous hotel complex in the city. With a plan in motion, he aims to bring the hotel’s female president and its beautiful staff under his control…