The bad boy and the not really good girl

Alyissa used to be the schools number one bullied person in high school she was bullied because she wasn't the wright weight she was also know as fatty mc fat ass well that's what people would call her .but that all changes when she leaves for the second semester of her sophomore year to live with her dad in Australia .when she goes there she finally has an actual friend who loves her for her his names Jason he finally got threw to her and now she doesn't let people walk over her anymore, and she's changed a lot . One year after she left she is forced to come back and live with her mom,and she has to go back to that school that was a living hell but she's hated by all of the girls and loved bye all of the boys because she's no longer a fat blond but now she has that perfect body and she changed her look, what happens when she's forced to become the bad boys friend? Will she end up dealing with him or kill him in the process? Will she end up falling for him or for someone else ?:)