The millennia-old vampire progenitor, Seraphina, hid her true identity for five years. After being betrayed by a scoundrel and a scheming beauty working together, she awakened and unleashed her absolute power to exact revenge. She crushed every aspect of her ex-husband's life, took the scheming Isabella as a loyal pet utterly devoted to her, and assembled her subordinates, including a devoted godfather, a tsundere captain, and battle weapons. She crushed and purged all traitors along the way, ultimately confronting the God of the Abyss and ascending to the throne as the Queen of the Night.