After mysteriously time-traveling to a post-apocalyptic world plagued by anomalies, Lucas struggles as a powerless survivor in an S-level base where he is scorned for his weakness. On the brink of despair, he awakens the Underworld's Business System and claims a Newbie Pack called Hell's Kitchen. Lucas begins operating a facility that converts anomalies into food products to earn anomaly coins. Despite summoning costly help to control threats, his funds are nearly depleted. Faced with the huge task of unlocking a new facility, Hell's Fruit Shop, Lucas tries to recruit survivors by offering rare meals, setting the stage for his next move to survive and grow in this harsh world.