After waking up, Lu Nange finds herself transported into a post-apocalyptic novel written for male readers, becoming a supporting character who only exists in the original story's memories. Facing an unexpected catastrophe, she binds herself to a sign-in system, unlocks a spatial dimension and multiple elemental abilities, and discovers that her adorable younger brother, Lu Beiye, has returned with the memories of two lifetimes! After reuniting with her older brother, Lu Xici, Chi Yanzhou, and the others, they embark on a journey to the capital city of Jing. Shortages of supplies, tests of trust among companions, and ever-escalating mutant threats follow one after another. Behind the seemingly safe refuge in Jing City lie even more secrets. With her intelligence and strength, she leads her companions through one crisis after another, transforming her fate from rewriting her own destiny to establishing a base and cultivating fertile farmland,