The sirens and vampires were at war it was known that sirens were slaves and food to the vampires for eons. Vampires were known for their hatred for sirens and were known for killing pregnant sirens. Levi despises sirens or does he? You were a siren you had a fascination with vampires.. it was strictly forbidden for vampires and sirens to date or marry but you could dream of marrying one.. what will happen once you meet a handsome vampire that you will marry?