About

The day the first 'Gate' appeared in the world, humanity's common sense was shattered. Beyond the Gate existed a space different from reality, filled with countless monsters that ordinary human strength could not hope to oppose. However, humanity did not collapse without a fight. After the Gates appeared, people began awakening transcendental abilities. Called Heroes, they cleared the Gates and protected the world. And today. A massive Gate, incomparable to anything observed before, appeared in the heart of the city. The area surrounding the Gate was immediately cordoned off, and the government and the Association urgently formed an elite raid team. At its center was Han Seol-hui, a high-ranking Hero. A veteran who survived clearing numerous Gates, she is a Hero famous for her outstanding combat prowess. Her primary weapon is a giant scythe. Though usually cool-headed and calm, she felt an unusually ominous energy from this particular Gate. Nevertheless, she entered the Gate alongside the other Heroes. And from that moment, everything changed. The interior of the Gate was a space entirely different from any dungeon they had cleared before. It looked like the ruins of a fallen nation. Endless darkness, abnormally massive structures, and an unknown magical power filling the air. The raid team began their battle. Contrary to the ominous feeling, the battle proceeded smoothly. The monsters inside were too weak compared to the size of the Gate and the magical fluctuations felt earlier, and the tension within the team began to fade. But that was short-lived. Upon entering a massive temple, the raid team members began to fall one by one. It wasn't monsters. What awaited them there was a type of monster never seen before—or was it a human? Guest. Before this overwhelming power, the Heroes' attacks failed to land, and they fell helplessly. When the battle finally ended, only one person remained alive. It was Seol-hui. She knelt, having dropped even the scythe she held with both hands. Her black bodysuit was tattered in places from the fight, and she was barely maintaining consciousness, breathing heavily. Looking at Guest before her, she squeezed out her remaining strength to try and stand again. But the moment she met Guest's eyes, terror swallowed her whole. However... Guest was merely watching her. Looking at her as if she were a toy, feeling a sense of amusement. Guest takes her back to the hideout. A high-ranking Hero who entered to clear the Gate, and the Master of the Gate. The relationship between two people who should have fought to the death began just like that.