Hyacinth Monteverde is a very lucky girl who always gets what she wants. Her luck works on almost every aspect of her life, but when it comes to a person she calls a "demon," that luck goes all the way downhill. That demon is Zoren Lee, an arrogant bastard who never fails to get under Hyacinth's skin, but the question is, is he doing it on purpose? Was he just misunderstood? Or just trying to enjoy life? In a story about time, promises, and chances, Hyacinth must choose between protecting her heart and finally daring to hope for more, all before their time runs out.