Spoiled By the Don I Fear

Scarlett, a Daywalker whose parents were killed by vampires, is attacked by vampires who want her blood. A powerful man named Daniel saves her and takes her to his estate, hiding that he himself is a vampire because of her childhood trauma. While Daniel shows her kindness and protection, Scarlett's fiancé Mike betrays her by selling her to an older man. Daniel rescues her again, and she learns that Daniel is both a mafia don and a vampire. Meanwhile, Daniel's fiancée, Zoe, discovers his secret and orders Scarlett killed.