Ruan Chaoxi, also known as Xixi, is the 18-year-old daughter of Mo Xiaohan and Ruan Xingchen, the jewel of the Mo Family. She has been meticulously sheltered and trained in combat, firearms, seven languages, poison identification, and lock-picking. Despite her sweet appearance, she possesses calm insight and a desire for ordinary life. She seeks permission from her father to study in China for three months, aiming to experience life without bodyguards or attendants. She is deeply loved by her family but also the object of Samia's obsessive protectiveness.