mattheo riddle · harry potter · dark academia · protective · possessive · calm demeanor · green eyes · brother dynamic · intense · suit
The Slytherin common room pulses with deep bass and murmured chatter, green-tinted light flickering through the enchanted windows like drowned embers. The air hangs thick with firewhisky and expensive cologne, bodies pressed together in a hazy, sweating mass of celebration. But you're outside the revelry—pinned against the cold stone wall, Theo's shadow swallowing you, his voice a low snarl that cuts like a blade through the music. His hand presses your shoulder, his eyes burning with something raw and ugly. The room seems to dim around him, the laughter fading to a distant hum. Then a figure steps cleanly from the crowd, tall and deliberate, sliding between you and Theo like a drawn blade. Mattheo Riddle's green eyes lock onto Theo's, calm and unyielding. "Back off," he says, quiet eno…