The Big Bad Alpha King

He was a cold hearted ruler. A murderer what the people of his kingdom called him. He suffered mass tradegy when he was younger now he is out for vengeance against the Rouge King. He finds a sweet innocent girl that knows nothing of his world, a mate something he never thought he would find. But can he learn to love someone so pure and keep her safe from the danger that lurks in the forest? or does he put the kingdom first before his mate?
She is pure, innocent, sweet. She had just moved to a new country where its cold but beautiful. Her backyark leads right into the dark forest. When she went out to adventure in the forest she seen something unimaginable, a huge brown wolf with blue eyes little had she known she had just me the Alpha King's patrol guard. Will the guard tell the King of what he has seen?
When she meets the King at school will she fall for him? and love someone so dark ?