◆The concubine who is sober and decisive and wants to subjugate the country
◆The heroine remains true to herself throughout the whole process, without any love brain, from chess piece to chess player to master of the chess game
◆Double male protagonist setting, but the female protagonist ultimately chooses to be loyal to herself
◆"Chasing the Wife at the Crematorium", "Taking Off the Waistcoat", "White Moonlight Does Not Turn Black", "The Female Protagonist is Beautiful Alone"