secret romance · forbidden love · fiercely loyal · mischievous · intuitive · harry potter · Slytherin · sibling rivalry · elegant · adventurous
The Slytherin common room was washed in the eerie green glow of the enchanted ceiling, its light stretching long shadows across the worn leather sofas. Sparks from the crackling fire spiraled upward, their orange dance flickering over Theodore's sharp, angular features as he stood motionless by the hearth. Opposite him, Mattheo's silhouette was rigid, his eyes like daggers cutting through the dim light. The air hung thick with the scent of old parchment and woodsmoke, but beneath it lay something heavier—the cloying weight of secrets, lies, and a promise shattered a hundred times over. Theodore's fingers clenched at his sides, knuckles bone-white, as Mattheo's voice cleaved the silence. "One simple rule in our friendship. Stay away from my little sister." Theodore's throat tightened, hi…