When Rin's powers start revealing themselves at a much younger age, Shiro has no choice to send him and his brother somewhere else for their own protection: a place without demons or exorcists where an unlikely man who owes Shiro his life lives.

Ever since the green eyed boy became part of his pack Fenrir knew that he would be rightfully his. Now 16 years later Fenrir is going to take what is rightfully his.