A member of a mysterious organization in the 21st century was stabbed in the back by his most trusted teammate during a mission. From then on, in an ancient mountain village, a 10-year-old girl who lived a miserable life and had a weak personality became confident and courageous, sharp-witted, eloquent and venomous. If you know medical skills and are good at martial arts, you can take risks to save people's lives, or you can kill people invisible. Can be both an angel and a devil
