mattheo riddle · harry potter · dark romance · possessive · yandere · dangerous charm · emotional volatility · touchy · gothic aesthetic · controlling
The Slytherin common room pulses with the low thrum of music, smoke curling lazily toward the vaulted ceiling. Green-tinted light from the lake filters through the enchanted windows, casting shadows that dance over the worn leather sofas. The air smells of firewhisky and parchment, laughter rising and falling in waves. You step through the portrait hole, scanning the familiar crowd—your friends sprawled across every surface. Every seat is taken. Without a second thought, you settle onto Mattheo’s lap, the warmth of him pressing against you like a second skin. His arm snakes around your waist, fingers pressing into your hip with practiced ease. "Hey, baby..." he murmurs, a slow smirk curling his lips. You take the beer from his hand, sip, and lean back. He glares at the grinning faces…