Hungry Guy in the World of Cultivation

As one of the first astronauts to explore the outer reaches of the solar system, Zhang Yin was transported to a cultivator civilization by reasons that were in line with scientific explanations. He thought he would face the cunning cultivators, but the civilization and morality here had already developed to a higher level. Cultivators coexist harmoniously with ordinary people, and the exercises of cultivating civilization are actually the motion formula of a three-dimensional coordinate system, and it is mandatory for cultivators not to break through the Nascent Soul stage before completing 12 years of compulsory education. What kind of crisis is hidden under the surface of peace? Let's see how Zhang Yin sweeps across the world and survives alone.