The Traitor

Alexandra Bree Riddle is the daughter of the Dark Lord. Everyone expects her to be a perfect Slytherin, but she, unfortanely, didn't follow the plan. She's a Gryffindor, hidden behind a fake last name. She ends up being friends with Harry Potter, and end up in the middle of a war where she doesn't know which side to pick, she constatly sees herself trapped in a web of lies.