Rebirth of turning waste into treasure

After the end of the earth, resources are exhausted and survival is difficult.The only remaining earthlings had to attach themselves to the alien races who immigrated to the earth... Cheng Xiao died, and died inexplicably, but was lucky to be reborn, but he passed on the body of an unpopular waste material. (╯‵ ′)╯︵┻━┻Abusing children? Too lazy to do something? Selfish? In this environment where beasts are rampant and there are only cold weapons, Cheng Xiao has no choice but to face the natural elimination of survival of the fittest in primitive life. The whole family struggles to survive. This is a person who turns waste materials into treasures, from a black lotus that everyone despises to a new century living Lei Feng that everyone loves. By the way, he has a golden finger. Main Shouwen...<(￣︶￣)>Content label: Geng Tianwen has a soft spot for rebirth┃ Search keywords: Protagonist: Cheng Xiao, Lan┃ Supporting roles: Rin, Abandoned, +10086