Bai Xuanji traveled through time and became the young master of the "Tianji Pavilion", the first intelligence organization in the fairyland.
His father is the master of the Tianji Pavilion who can see into the past and the future, and he is a waste recognized by the Tianji Pavilion as being incompetent at fortune-telling.
It wasn't until his eighteenth birthday that he awakened his eyes to see the "value" of all things.
