START-376 The man who saved his life was the worst powerful man. - Nagisa Koio is an emergency doctor who is forced to undergo sexual disposition and falls into Kanuma.

Nagisa, an emergency doctor, is a serious, responsible doctor with a strong reputation within the hospital. - One day, a man is taken to the hospital where Nagisa works. - Nagisa saves life by taking full advantage of her mission as a doctor, but in fact the man is a vicious, powerful demon. - Nagisa is torn down in the hospital by a recovered man. - After being held back by a man's weakness, he gets caught up in the worst spiral of the huddle...