Life on Earth isn't what it seems to the naked eye. Hidden beneath magic, demons and angels roam the streets beside humans. Danger lurks around every corner. Life for Luna as a human is much different than others. She comes from a long line of servants, who serve the higher beings. At the young age of eight, Luna's higher beings came to claim her. Now, at the age of 18, she's living a double-sided life-that of a human and that of a servant.