I'm Building a Spaceship in the Last Days

One year after the end of the world, due to nuclear war, radiation zones were spread all over the land, alien species were rampant, zombies were infested, and mankind was on the verge of civilizational extinction. In this year, the universe-level villain A escaped to the earth's civilization, which is now in danger. As A's host, Xiao Xiaochen felt Alexander. Because this alien, in fact, is a demon, it requires Xiao Xiaochen to build a great spaceship that humans can't even imagine in this apocalyptic world where zombies are everywhere, talents are withering, and industry is gone. Therefore, this person who came all the way from a third-rate elementary school, a third-rate high school, and a third-rate university had to rush all the way to become an interstellar migrant worker! Please collect, please recommend, please collect, please recommend, please collect, please recommend, la la la. Book club group 557178630 welcomes the training group leader