It took humanity countless years to finally enter the steam age. As machine production replaced a significant amount of manual operations, the whole societal system underwent a tremendous upheaval.
Then, merely over a hundred years later, humanity entered the age of electricity, giving rise to cars, airplanes, and telegraphs. Transportation and communication both experienced dramatic changes.
Decades later, the atomic age began, computers appeared, and various related disciplines rapidly advanced.
With the advent of the internet and the rapid development of computer science, humanity entered the information age. The production process, communication process, and dissemination structure drastically changed, leading humanity towards electronics, intelligence, and globalization...
Several decades later, with the descent of the Celestial Court, fairy technology flowed into human society.
