We all have our own Chamber of Secrets (Book 2 of Harry Potter Fanfic)

Demetria Lauren Evans Snape, had found out she was a wizard at the age of 10, she knew she'd been adopted her whole life, but finding out she's a Wizard may have been the best and worst thing that ever happened to her. In her third year she met her half-brother Harry Potter, who has gone his whole life neglected. During her third year she formed a strong bond with her younger half brother while continuing to pull the same prior jokes with her best friends Fred and George Weasley. She experienced the regular teenage trouble being stuck between her love for her best friend Fred and her other friend Cedric Diggory as well as not so normal teenage trouble. At the end of her first year alongside her brother and his friends she faced the most fearsome wizard of all time, Lord Voldemort and with her brother they defeated him. The pair hope for a normal year but what will they do when troubles from the past come to haunt them in the present and they have a new enemy to defeat.