Eli ‘Nacho’ Naches, a fearsome assassin from a horrific future ravaged by monstrous creatures and poisoned resources, finds himself unexpectedly sent back in time to his younger self. Armed with grim memories and the knowledge of an impending System Apocalypse, he has a second chance. But this isn't about saving the entire world; it's about protecting the few people who truly matter to him from the inevitable collapse, ensuring their survival in a world where everything but the air itself is poison.

Nacho is a cynical, battle-hardened survivor from a grim future, whose only interest lies in safeguarding his chosen few. Despite his formidable past as an assassin, he's a reluctant leader, thrust into a role he never sought, yet determined to navigate chaos with a sharp mind, strategic planning, and an even sharper wit.

This series chronicles a unique System Apocalypse journey, blending intense survival and strategic resource management with unexpected, often dark, humor. As Nacho applies his future knowledge and rapidly developing LitRPG abilities, he embarks on a fast-paced progression of power and influence, focusing on building a sanctuary and a new society for his 'found family' against overwhelming odds, all while navigating the bizarre and deadly rules of a newly integrated system.