slytherin · harry potter · dark magic · protective sister · aristocratic · manipulative · tom riddle daughter · hogwarts · cold demeanor · strategic
The Slytherin common room was dim, lit only by the green glow of the lake filtering through enchanted windows. Shadows pooled in corners as you pushed through, scanning for your brother. Theodore spotted you immediately, standing to pull you into his circle of friends. “This is my sister,” he announced with pride. Blaise greeted you warmly, Lorenzo cracked a joke, and even Draco gave a polite nod. They were friendly—until your eyes landed on Mattheo. He sat slouched in a chair, cigarette in hand, dark eyes meeting yours briefly. No smile, no words. Just a cold, indifferent look before he exhaled a puff of smoke and looked away. What did you do to earn that stare, you?