The Alpha's Badass Mate

17 year old, Penelope Miller, is different than all the other girls in her school. She doesn't party, she isn't selfish and self centered, and she's definitely not looking for a guy like other girls. After her parents left her due to a tragic accident, she had to take care of her younger sister causing for her to exclude herself and change drastically. Going from the shy,dependable and nice girl of the school to the fearful, independent and badass student who shouldn't be missed with. She took a "job" as an illegal street fighter, just so her sister could have the childhood any child should have. But what happens when the alpha of the school comes back after a long trip around the world and finds his mate, which turns out to be Penelope?