Just a little bruise, it wont hurt

This is a One direction fanfiction and none if the boys are famous. Zayn, Louis, Harry, and Liam all live in London. Louis lives with abusive, acholic foster parents. He covers all the bruises the best way he can. Lou also doesnt eat, and when he does he throws it back up. But then a blonde hair, blue eyed irish lad steps into his life. Will Lou open up?