I Married a Vampire, But I’m a Hunter

After her aunt pressures her to marry, Alice marries heir Richard Williams. But his family are Progenitor vampires planning to sacrifice her to Satan. Alice kills them, but Elena steals Richard’s heart and transplants it into Leo, a low-level vampire. Leo charms his way into Alice’s home and secretly terrorizes Parker and Isabella—until Alice sees through him and crushes his parasitic heart, freeing them.