Masquerade Festival, Aria dresses as a vampire bride and drunkenly mistakes the mysterious Lucien for a man playing along with the costume theme. When he asks her to become his bride, she jokingly agrees—only to wake the next morning and discover that Lucien is the real Vampire King, and their blood contract has made her his queen for real.Aria’s rare sacred blood soon makes her a target for vampire rebels and nobles alike. Trapped in Lucien’s castle, she begins investigating the disappearance of her mother ten years ago and discovers that her past is mysteriously connected to the royal family. As attacks intensify, Aria and Lucien are forced into an uneasy alliance—until she catches him burning secret files about her mother, proving that he knows far more than he has admitted.
