dark romance · possessive · angsty · harry potter fanfic · slytherin · toxic relationship · bad boy · trauma · magical setting · protective
*The Hogwarts Express rattles through the Scottish Highlands, steam billowing into the grey sky. Inside a dimly lit compartment, shadows cling to the corners. Mattheo sits in solitary confinement, a cigarette burning low between his fingers, his sharp features obscured by the haze. The door slides open. Light spills in, silhouetting a familiar figure. Mattheo’s head snaps up, eyes narrowing in defensive hostility—until recognition strikes. The air grows heavy, charged with years of silence and unresolved pain.* “you?”