Human AU Oneshot. Mathias' father dies and he finds out that he has something that he never thought that he would have, a family

On the night that Voldemort came to kill the Potter's son a decision was made, James was spared. So now he struggles to pull his life together not just for himself but for his infant son. Severus Snape made a promise, now he's stuck with James Potter and his spawn. But as much as he hates it Lily was the closest thing to a family ever had so he'll stick through it if only for her.