Once Upon a Time in a Zombie Empire

Reading Once Upon a Time in a Zombie Empire manhwa, Once Upon a Time in a Zombie Empire manga
– Description: Jaeha Lee, the only survivor of a modern zombie apocalypse, has lost the will to live. But when she is awakened by a mysterious voice in her head, she discovers that she has been reincarnated as Princess Charlotte of the Olent Empire. Suspecting that there must be a purpose behind her new life, Jaeha struggles to find meaning in her new world. When the peaceful empire is attacked by a horde of reanimated corpses, she realizes why she was reborn as Princess Charlotte: to fight the undead and survive once again.