Jing and Daiyu are renowned as the "Siwáng Sisters," two of China's most lethal assassins, hailing from the feared White Tigers under the leadership of their father, Qiang Siwáng. Growing up, they were raised and trained to become proficient killers, serving as the enforcers for the mafia. They are renowned for their unwavering commitment and proficiency. It's a widely held belief that their targets should seek divine protection upon encountering the deadly duo, as their skills are unparalleled.