Chasing the Wind Quick Sword

This is an unknown story that has been lost in history. This story tells the legend of the establishment and prosperity of a secret service agency. It uses its story to analyze the ancient secret service agency and understand why the secret service agency was so prosperous in ancient times and what role the spies played. We can learn about ups and downs by using history as a mirror, and we can learn about gains and losses by using people as a mirror. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.