The White Wolf, The Black Wolf

Izzy was just a regular girl. She was really crazy and thought nothing about nothing. She has 4 older brothers, all over protective of her. She learned something very valuable one night about herself. Her parents kept it for her for 13 years. She learns she's a werewolf. Not any werewolf, a white one. The rare color. Her mate turns out to be a black wolf which also is as rare color. Only one of each in the world and they happen to be mates.