The Vampire Lord Spoils His Blood Servant Rotten

Human girl Selena, a vampire Marquis's blood servant, plans to end their pact—until one night lets her hear his mind: he's obsessed with her. He protects her, turns her to save her, and at their wedding faces the progenitor's death order. Grief awakens her Lucifer bloodline—six wings unfurl. She defeats the progenitor and rises to Vampire Queen.