The Last Witch:The Vampire King's Badass Blood Bride

Sloane, a pureblood witch adopted by an abusive werewolf family, is imprisoned for five years and sacrificed to the “mad” Vampire King, Lucas. But her blood cures his demonic poison, forging a powerful blood pact. With abyssal magic and elite hacking skills, Sloane breaks her seals, destroys her family, crushes the corrupt Supernatural Senate, and joins Lucas to destroy the Demon Hunter Sanctuary. Together, they rise to rule the dark world.