After three straight days of overtime, David Grant watches the R-virus outbreak tear through his office—and instead of fear, he feels relief. No more work. No more bosses. While everyone else panics, he awakens the World Forge System, the only one with GM-00 access. He decides to turn the Skyspire Tower into his personal dungeon: thirty floors of blood, betrayal, and bosses he's all too happy to put down. From the finance vultures to the CEO who once fired him, every floor is a level, every monster a former colleague. When the first SSS-class global horde descends, he stands in the VIP Lounge, fortified by the Obelisk, watching the undead burn against his shields—and sends a message to every survivor left: Welcome to my domain. Want to survive? Sign the contract. Your shift starts now.