Luciella was oppressed and executed by the human king, Leweitz, as a heretic born between a demon and a human. Returning just before her death, Luciella decided to take revenge on Leweitz and headed to the demon realm. There, she met Dylan, a boy who would one day succeed him as Demon King. Luciella decided to use Dylan's powers for revenge, but as he grew older, Dylan's feelings for Luciella turned into obsession... *This story is fiction. It is not related to any real people, organizations, or events.