Polar Star Spectrum

New authors, please be merciful. There is nothing wrong. In another world, 1000 years later, people have obtained an empirical method. Scientists have discovered that a special method is used to connect the star charts in the sky for cultivation. The special method is to use the emotions that people have during this period for cultivation. The mood swings are combined with special characters. They call it spectrum for short. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.