A certain Feng who participated in a one-day tour of the human world accidentally missed the car returning to the human world and fell into the human world. She also accidentally ran into a "supervision and inspection" that was rare in a century. Due to the recent frequent "human world time travel incidents", all the "travel gates" that she returned to were subject to a 10-day "security inspection". In other words, she could not go back for the time being. . . . . . Ever since, she began a legendary life of half fairy and half human in this country called "Yuan".