Also known as Sister S, a female assassin from Country S with high martial arts and disguise skills. She is described as cunning, crazy, violent, and vengeful. She commanded people to blow up the intelligence agency of A-Country and sniped officials of Country W. She infiltrated a heavily guarded prison after killing a Country W official. She has been searching for the person who tricked her in Xiangcheng, who she believes is from Long Country. She fought hand-to-hand with Ye Qinglan in Beijing and escaped after the car explosion.
