Brother, ten years ago, the world’s fortunes took a turn when strange and strange “gates” suddenly began opening. These gates are actually gateways to another world inhabited by monsters that our guns and bombs have no effect on. With these gates, some humans acquired strange powers and became “hunters.” The real job of these hunters is to go inside these gates, clean up the mess and kill the monsters.
Driven by greed, they venture inside, but what unfolds there is nothing less than a nightmare. Jin-woo somehow returns from the jaws of death, but now he’s left with a “system interface” that’s only visible to him—like a video game. This system promises to give him the greatest power in the world, but, well, everything has a price. Let’s see how Jin-Woo levels up and shakes the world!