As the sole survivor of a zombie apocalypse on Earth, Jaeha loses her will to keep living. But following an attempt to end her life, she wakes up in the Olent Empire as Charlotte, an outcast princess. Despite the snarky people around her, things seem relatively peaceful in her new environment... that is, until a horde of zombies suddenly storms the palace! And so, Charlotte realizes why she was brought into this world: to fight the undead and survive till the end once again!