When Jaeha Lee awoke in the body of Princess Charlotte, she had no idea what she was meant to do. The Olent Empire was peaceful, the region stable, and its people happy. It seemed Jaeha had left one pointless life in the modern day for another in the distant past... until the zombies attacked. As the corpses rise from the dirt, Jaeha finally realizes her purpose in this new world: to fight the zombies and live on!