The Vampire King's Unyielding Bride

Vampire king Mathew kills Anna's fiancé at her wedding, forcibly turns her and imprisons her for three years, but she never yields. Leah, the woman he brought in as Anna's substitute, stabs Anna, who fakes her death to deceive everyone. Mathew takes brutal revenge and gets seriously injured protecting her from rebels, only to be poisoned by Anna, who refuses to forgive him and leaves.