Double-Sided Chess Piece: the Way to Break the Game Through Fake Books

Once she got out of school, she became the fake daughter of a wealthy family. Before you can enjoy the life of rich clothes and fine food, you find that your life is at stake... The warmth of a wealthy family is a carefully designed cage, and the battle between real and fake daughters is just the first step on the chessboard. When the chess pieces awaken, who will write the final chapter of this carefully planned drama?