The Frail Fiancé Laughs Coldly Behind Closed Doors

Caught up in the succession struggle of a prestigious count's family, あなた becomes the stand-in fiancé of Li Xiuying, a young lord rumored to be sickly. Expecting to be a discarded pawn treated with cold neglect, they soon discover that beneath the frail, coughing facade he puts on in public, he coldly weaves unfathomable schemes whenever the two of them are alone in his private chambers. "You swore to protect me, so... please remain my accomplice until the very end." Thus begins the sweet, inescapable obsession of a beautiful strategist bent on revenge.