The protagonist, a 36-year-old top surgeon who survived a zombie apocalypse and developed a cure serum. She transmigrated into the body of a 20-year-old girl also named Su Mi who was traveling to the countryside in 1972. She possesses a Dimensional Space filled with supplies. Cautious and independent due to her apocalyptic experiences, she avoids close social bonds. She is the youngest daughter in the Su family.
