By her third year on the job, she was a burnt-out corporate drone, and when she opened her eyes, she found herself possessed Sara, the duke’s daughter from a novel who does nothing but cause trouble, earns everyone’s hatred, and ultimately meets a miserable death. To make matters worse, this world is in a full-blown apocalypse overrun by zombies. Armed with the survival skills honed as an office worker, Sara struggles desperately to stay alive, but the Crown Prince and the Grand Duke, who are supposed to despise Sara, begin to cling to her for some reason, while Sara somehow becomes someone everyone relies on… Total chaos!? Can this hopeless situation be overcome and an escape made from the end-of-the-world scenario? And where will romance with the heroes lead!?