Nate, a brilliant programmer, spent five years developing "Abyss," an immersive consciousness system, only to be betrayed by his most trusted partner, Marcus, just as the project neared completion. Marcus not only stole the research but—in a bid to seize full control of the system—pushed Nate off the company’s rooftop.
Nate, certain he was doomed, had his consciousness captured by Abyss at the very moment of his fall. When he opened his eyes again, he had become "Player 0719," trapped in a virtual world composed of deadly "instances."
From a blood-soaked hospital and a blizzard-swept castle to a zero-gravity space station, a fog-shrouded city, a deep-sea elevator, and a mirror world—each instance forced Nate to uncover hidden rules within a tight timeframe, fighting for survival against monsters, traps, and other players. Here, death was not the end; players could respawn, but at the cost of permanently losing a vital memory. A mother’s face, a past love, one’s own history, and even the very reason for living—all were gradually erased by the system with every death.
During his struggle to survive, Nate encountered a mysterious player named Zero. She seemed to understand Abyss better than anyone, knowing its secret passages and system loopholes, and even the truth behind Nate’s death in the real world. Meanwhile, Victor—the terrifying hunter relentlessly pursuing Nate—gradually revealed a far more horrifying truth: Abyss was no ordinary game. The instances, the deaths, and
