Lin Yi Nan is the female protagonist. Originally a 32-year-old special operations soldier in a zombie apocalypse, she transmigrates into the body of a 15-year-old girl in the Great Yan Kingdom after being killed by an explosion. She retains her combat expertise and a portable space containing supplies. She rescues her severely injured mother Li Shulan and her captured younger brother Lin Yi An from the Hu invaders, demonstrating strong survival instincts, martial arts talent, and a protective nature toward her new family.
