The Winged Guardian From Another Realm

Regina is an Elder winged guardian of another realm & she get's dragged to our world, where Mary Margaret see's her looking lost and with stained clothes, she takes pity on her and this leads to Regina meeting Emma. Will Regina be able to get home? Who can see her wings? and most importantly will she be able to give up this new life and Emma? A Swan Queen story. AU. Swanqueen fluff