Disclaimer

Amethyst is the lost twin sister of Harry Potter. She was taken in by Bellatrix Lestrange after the tragic death of their parents. Harry has no idea he has a sister but Amethyst knows everything. She can't tell anyone except for the people that already know.
She starts at Hogwarts in sixth year after a long time of asking and she usually spends time with her best friend Walisa Malfoy, Walisas twin Draco Malfoy and Voldemort's sons Tom and Mattheo Riddle. The school year becomes very interesting as the year moves on.