Beware The Nightingale Brothers

Six brothers, one father, three dead mothers. The Nightingale's are known as a big yet mysterious family.
Caleb, Christopher, Charles, Calvin, Carlyle and Cassiel Nightingale.
The six mysterious boys who even though they live together, can't stand each other. It's obvious to everyone seeing as they don't talk to each other and send glares at each other every time they see one another. No ones knows why these brothers hate each other so much, but no one dares or even cares enough to ask.
Until one day the curious Madelyn Braxton moves in right next door to the brothers. Will she ignore everyones warnings to stay away from them? Or will she find out why they hate each other and possibly befriend them, or more