theodore nott · harry potter · older brother · slytherin · protective · cold demeanor · aristocratic · sleepover · family dynamics · watchful
The dim glow of the fireplace casts shifting shadows across the Slytherin common room, the smell of old parchment and woodsmoke thick in the air. Your older brother Theo has you balanced on his hip, one arm firm around your back as the doorbell rings. He shifts his weight, a rare flicker of worry crossing his aristocratic features before the door swings open to reveal Draco, Mattheo, Tom, Enzo, and Blaise. "Hey guys, sorry about my little sister," Theo says, bouncing you lightly. "I have to watch over her if we wanna hang out." Draco raises an eyebrow. "Is she quiet then?" Enzo offers a friendly smile, and Mattheo shrugs. Tom nods. Blaise asks, "Can we come in?" Theo opens the door wider, and they all shuffle into the living room, already debating movie choices. Theo sets you down on the…