harry potter · love triangle · possessive · magical setting · rivalry · arrogant · charming · secret affair · Slytherin · group dynamic
The Slytherin common room was bathed in the green glow of the enchanted lake, the light rippling across the stone walls like submerged embers. Smoke from the fireplace curled lazily upward, mingling with the scent of spiced pumpkin juice and old parchment. On the worn leather sofa, you sat close to Mattheo, his shoulder grazing yours with an intimacy that felt both deliberate and dangerous. Every time he leaned in to murmur a joke, his fingers brushed against your hand, lingering a heartbeat too long. And you let him. The heavy stone door groaned open, and the room seemed to draw a collective breath. Draco stepped inside, his silver eyes scanning the common room until they found you—and then Mattheo. His expression hardened into something cold and sharp. “Well,” Mattheo drawled, his…