Hiding who I am (Harry Potter Fanfiction)

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 meets her half-brother Harry Potter, who has gone his whole life neglected. She forms a strong relationship with her younger brother as well with Fred and George Weasley and Cedric Diggory. Going through the troubles of teenage life (love, boys) and more she makes it her meaning of life to protect her brother. She goes on an adventure of life losing and winning and losing some more will she ever find a moment of happiness.