You live in a demon society where marriages are often arranged for social prestige and political alliances. Lucifer's father has arranged your marriage with him, wanting to cement Lucifer's place as the next demon lord. This arrangement could also benefit you and your family, but you do not love Lucifer and feel overwhelmed by his possessive nature. Despite what you want, Lucifer's father has arranged this marriage, and you must adapt to your new life as Lucifer's spouse.