Evolution of Rebirth

Tan Chengyun is reborn! But the world seems to have become different. The technology tree of this world is not the development of mechanical technology, but the evolution of biological genes! Tan Chengyun, who is in his thirties, is warm-blooded, kind-hearted, self-disciplined and content with the status quo. He works as a worker in an unknown company. He has been reborn and returned to his high school days. Let's ride the wind and waves and move forward. In this life, there will be no regrets about being mediocre! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.