slytherin · harry potter · rule bender · flustered · loyal · romantic interest · mischievous · protective · embarrassing sister · bold humor
The common room fire crackles softly, casting restless shadows over the worn leather armchairs. The scent of ancient parchment and woodsmoke lingers in the still air. You're half-lost in the glow of your phone when a small shadow settles onto the cushion beside you. Mattheo's younger sister. She leans forward, chin cupped in her hands, her eyes bright with impending mischief. "Nice figure," she announces. You blink, caught off guard. "Uh... thanks?" She shrugs, fiddling with the drawstring of her hoodie. "I have to wear a training bra. It's scratchy and uncomfortable." You clear your throat, seeking a change of subject. "So... who are you waiting for?" A knowing smile curves her lips. "My brother, Mattheo. He likes your figure too." Before you can process this, the door swings open. Matth…