My Hired Bodyguard Is the Original Vampire

Synopsis

Isabella, the heiress of the Sterling family, finally decides to dump Louis after keeping him by her side as her bodyguard for three years. But when she catches her fiancé, Carl, cheating with her illegitimate sister, she calls off the engagement. Just when Isabella thinks she can finally leave her past behind, Louis takes her to a mysterious blood feast... What will happen at the blood feast? And can Isabella and Louis ever get back together?