Doomsday Era: From Stockpiling Supplies to the Sea of Stars

[Also known as: Doomsday Era: From Stockpiling to the Sea of Stars] [Rebirth + System + space + national destiny + hoarding supplies + interstellar] [Friendly reminder: This is not a neighborhood survivalist story. Read at your own discretion.] [After 100 chapters, the story turns to technological development in the depths of space] An ordinary man struggles to survive for five years in the apocalypse. In the end, he chooses to take his own life. When he wakes again, he discovers he’s returned to six months before the apocalypse begins. This time, he comes back with a System. The nations of the world tremble before him. Big Beautiful: Please, stop stealing and just go! Furball: Ura! Some bastard stole our nuclear weapons and gold reserves! We have to get back what we’ve lost... But when the nations see that sunken island! Oh! Great haul! Beautifully done! Is that enough? If not, I’ve got more! They say aliens unleashed the doomsday virus? Then your home is gone! I’ll make sure they pay!