Riddled with Black

Ari Black has lived with the Malfoy's her entire life, even before her parents were locked up in Azkaban. As she joins her big cousin at Hogwarts, she has know idea that she would learn more than just magic at the school. What started as a good school year, soon gets strange as muggleborns are getting petrified and Ari wonders, who is the Heir of Slytherin?