The duke of wolves

You and serena were just taking a walk in the forest meanwhile..you two heard a noose but then you both began to feel cold you ask serena "do you also feel cold or is it just me?" She shivered "me too"...you felt like someone is watching you then...The duke wolves brother's pack surrounded you ( their name is Eiser and Fredrick)...The wolves packs growled but just then You heard a male voice "that's enough,fellas" Fredrick and Eiser appeared the wolves stopped growling you and Serena quickly ran away..Eiser chuckled "guess we have a new prey to hunt soon,At 3am we will both track down the girls, understood?" the wolves howled as Fredrick smirk "very well, brother"...little do they know You and serena are sisters but yet a vampire...Both of you still run but the other wolves pack are enough to catch up to you they cornered you and Serena... Fredrick and eiser arrived too