Unable to handle the death of their grandfather, Lovino and Feliciano Vargas make a pact with a demon to bring him back. Unfortunately, all things come with a price. [Sequel/Side Story to Sinful]

Gilbert Beilschmidt is the heir to his family's company. Matthew Williams has the misfortune of being his assistant.

Ever since the dead arose, Arthur had never once believed that things would get better. And then he met Alfred.

Arthur prefers going to the dining hall in the late evenings. One day, Antonio decides to join him.