The older mikealson twin (Rosalie hale & Alice Cullen & oc)

What happens when Carlisle calls a old friend to help his family keep Bella save from the newborn army? What happens when klaus's older twin sister accepts to help them? What happens when she meets two beautiful girls while there to help? Read to find out

(Rosalie x fem oc x Alice)
(Jasper x fem oc)
(Emmett x fem oc)