I Became an Emperor in Fantasy by Selling Anxiety!

In a fantasy world, in the 300th year of the Golden Age, Lin Xuan became the shopkeeper of a library. Get the selling anxiety system at the beginning! What is it that makes me sell anxiety in this otherworldly world? The higher the anxiety value, the more blessings I get? Okay, then I, a regular employee of the UC editorial department in my previous life, will be welcome! So, from that day on, my reputation spread throughout the Taoist world. A certain great sage said: "Teacher Lin is my guide on the road of life!" A certain super sect said: "Lin Xuan, it was he who made our small, run-down sect become the supreme sect in the Tao world!" A certain quasi-emperor's son-in-law said: "I became an emperor all because of Brother Lin. After listening to his advice that 'it is better to marry well than to practice well', I won the most precious treasure!" … Until one day, a certain empress heard my words that "choosing the right spouse is more important than working hard to become an emperor", and I was... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.