When the Apocalypse Comes, I Will Save the World by Selling Scraps? !

In Star Yuan 3084, an unknown catastrophe befell Blue Star. As a result, the world's technological level regressed for thousands of years. Extreme weather, unknown diseases, mutant organisms suddenly broke out, and even some people mutated. "Survival" became the only issue for all Blue Star people. Sangmu was just an ordinary college student before the apocalypse. The sudden arrival of the apocalypse broke her peaceful life. Fear, panic... In order to survive in the chaos, she exchanged scraps for supplies, and unexpectedly became a hidden boss in the industry! ? Sangmu: Isn't it? I just sell scraps! Sang Mu, who just wanted to live one day at a time, gradually discovered that things were developing beyond her expectations. Unknown dangers stretched out their claws towards her from the dark, and a trap carefully planned for her was gradually approaching her... ---CP version introduction--- [The trash queen (?) Who will do whatever it takes to survive✖️ The coquettish professor who talks a lot and loves to show off] Sang Mu, who just wanted to sell scraps in exchange for supplies, was suddenly stopped by someone when he came out of the intelligence station one day. "Are you the legendary trash Queen?" Sangmu:...? Who gave her this stupid name? ! "Give me what you have in your hands." Sangmu:! ! ! She just picked up some garbage to make a living, so why did someone even grab the garbage from her? ! Sang Mu hugged the broken iron in his hand tightly and stepped back again: "No." "Then take your life." Sangmu:? Wait a minute! Is this scrap of iron that valuable? ! Is it too late for her to regret it? ? ? ! Lightning Protection There is no such thing as a perfect person, so be careful when pursuing a perfect character. The writing style is slow and warm, and he likes to bury his lines. He may not fill in the form (I forgot to write it down). There is no outline, just write wherever you dream.