William Thompson travels from the Immortal Realm to a lower plane as a Wind-Observing Envoy, a position tasked with gauging public sentiment and understanding the truth of the mortal world.

　　However, besides fulfilling his duties, he has another very important reason for descending: to search for his immortal companion, who has been reincarnated in the lower realm.

　　How can he find her without revealing his identity? For a Wind-Observing Envoy, this is a bit troublesome...