The Girl Who Saved the World

A girl who wasn't recognized. A girl who was being bullied. A girl with no friends. A girl who had to save the world. Melody was an average teenager who had bad reputation and little friends. She finds out a secret that can either destroy or save the world. Will she save the world out of kindness? Or destroy the world with her hatred? READ AND FIND OUT, I know the summary and the cover stinks.