Twenty-two young women awaken in Blood Moon Castle, a fortress that has risen from the ocean depths and now hangs suspended in the sky. Anderson, the Vampire King, gives them seven days to survive a series of deadly trials. Only those who pass will make it out alive.
For Diana, an ordinary girl trapped among them, a mysterious system offers an unexpected lifeline. To survive, she must make the Vampire King fall for her.
But with every attempt to win him over, the attraction becomes mutual—and dangerously real. What begins as a desperate bid to stay alive turns into a love neither of them saw coming. Then Diana discovers that the king who holds her life in his hands is doomed by a deadly curse—and she alone can break it…
