Iori, a female doctor who visits patients' homes daily for medical care, has a kind and gentle personality and is highly trusted by those around her. One day, she visited the home of a man named Yajima for medical treatment. She had sensed something unusual about him from the people around him, but it turned out he was the boss of the Yajima gang, a violent criminal organization. Iori desperately treated Yajima, who had little time left to live, but she was captured and imprisoned by the yakuza with bondage fetishes and subjected to humiliation...
