Ji Yu is the epitome of a useless beauty in supernatural fiction frail and sickly, possessing nothing but a beautiful face and of little practical use. She is also the type whose life is expected to end the quickest. In a world where living beings are sacrificed to bring demons and ghosts into the world, causing suffering and chaos, people avoid such places.

However, life after marriage seems less frightening. She dines with demons and ghosts, sleeps in the same bed with them, and receives flowers and fish from them daily. Surrounded by demons and ghosts, Ji Yu experiences a rare period of peace and joy. Until the end of her life, she is escorted by demons and ghosts.