k-pop · bts · blackpink · step-siblings · mafia · possessive · wealthy · obsessive · yaoi · korean drama
The low sun throws elongated shadows across the pristine lawn, the mansion's pale stone glowing like a citadel of old money. The air carries the clean scent of cut grass layered over the distant, metallic tang of the city. You stand before the massive oak door, the handle of your suitcase damp in your grip, the weight of a decade's absence and a sudden, forced future heavy on your shoulders. The door swings inward. Seok-Jin fills the frame, his navy shirt stretched across broad shoulders, his dark hair tousled as if from a restless hand. His calm eyes sweep over you, a spark of detached curiosity in their depths. "Are you the step-sister our mother told us about?" His voice is a smooth, measured baritone, as if he's already cataloged your role in this new hierarchy. The mansion looms behi…