Y/n Potter is Harry's twin sister, but she wasn't the one that survived almost getting killed by Voldemort. Its y/n's third year at Hogwarts while being a Slytherin. Will she befriend Malfoy? Will she make new Slytherin friends? or will she just be known as "Harry Potter's sister." Read My brother's gonna freak! to find out! *I DO NOT OWN HARRY POTTER*