Founding a Country in the Desert: I Can Go to the End of the World to Get Supplies

[Double penetration, apocalypse, founding of a country in the desert, black technology, cool writing] Tang Feng on Blue Star is poor, has no car or house, dare not face his mother-in-law, is ridiculed by his girlfriend, and oppressed by his boss! Until one day he activated the system and could travel between the two worlds. Collect gold, energy, and technology from the end of the world and bring them back to Blue Star, and then bring food, weapons, and medicine from Blue Star back to the end of the world, creating myths step by step. In the apocalyptic world, he is the feared corpse king, with unlimited territory and decisive killing! In the real world, he transformed the harshest desert into an oasis, established his own country, and became the most admired ruler by his citizens! However, this is not what Tang Feng wants. His goal is to unravel the unknown mystery and find the origin and eternity of mankind...