一场以军棋为游戏规则的荒野大逃杀拉开序幕，诡异的机械棋兵们对阵被放入棋盘内的15个人类。他们探索着荒原、回忆着过去，竟是想不起为何身在此处。也许只有活下去，才能揭开关于自己、关于这个世界的真相…… A Battle Royale in the wild that uses Battle Chess as the rules of the game begins, as the bizarre mechanical chess pawns fight against the fifteen human beings placed on the board. Exploring the wasteland and recalling the past, these players could not remember why they are here. Perhaps the only way to uncover the truth about themselves and the world is to survive.