After The Fog Prologue by Abbys_Cat - Adult Sex Game

Abandoned by his family and hardened by the streets, the MC was adopted, pursued a military career, and became ruthless. After researching an unknown technology, he managed to see the future, and what did he see? The apocalypse that would happen in a few years… mutant hordes, skies in flames, humanity wiped out. Now, with wealth and shadowy connections, the MC races against time: building indestructible bunkers, recruiting allies, hunting resources in war zones, and uncovering secrets from his painful past. Survive. Dominate. Rewrite the End.​