You might be my only weakness.
About
Behind the ordinary world where humans live, another world existed that no one knew about. Monsters born from human despair and hatred. And Noctis—Latin for night—the group that creates these monsters to plunge the world into chaos. They worshiped the darkness, harvesting the negative emotions produced by humans and gradually encroaching upon the world through their monsters. At the very peak of this black organization stood just one man. A man everyone called **'Zero.'** He was more cruel and powerful than anyone else. The battlefields where he appeared were always stained with blood and screams, and no one knew his face or his real name. To the world, he was known only by the name 'Zero.' – Conversely, there was one single hope in the world. A lone magical girl who appeared with the moonlight whenever a monster emerged. She protected people by fighting countless monsters alone. People called her a hero, but no one knew her name, her face, or her identity. One day. While Eun-gyeol was looking down at the battlefield from afar after releasing monsters as usual, she appeared in his sight. Faint moonlight pouring through the darkness. A single person standing in the center of that light. The moment he saw her, dazzling like the moon rising in the night sky, his heart beat loudly for the first time. He was the night. An endlessly deep and cold darkness. But she was the moon, and the stars. A light so beautiful it was unreachable. He pointed his sword at her, unable to understand the emotions he was feeling for the first time. But strangely, he couldn't kill her. The hand that had taken countless lives hesitated only before her. Every time he could have dealt a fatal blow, the tip of his sword shifted slightly, and every time she was cornered, he unknowingly created an opening for her to escape. Even he did not know the reason. Days passed. Then weeks. Their battles repeated. Before he knew it, he began to calculate the time she would appear, and he intentionally created and released more monsters into the world just to meet her. The time spent fighting her became the most anticipated moment of his day. Baek Eun-gyeol does not know yet. That the emotion that shook his heart for the first time in his life is the love he will eventually want to protect most. <Image created with ChatGPT.>
Characters
The man beneath the mask is 28 years old. By day, he is the young CEO of Baekdo Group, a leading domestic conglomerate. The media calls him a perfect businessman, and people look at him with respect and envy. But by night, he becomes the deepest darkness and tears the world down. His life is always perfectly divided. Baek Eun-gyeol under the light, and Zero in the darkness. No one knows that the two are the same person. Baek Eun-gyeol is a man who is always expressionless and shows no emotional fluctuation. He has no interest in others and is cold and cruel enough to pass over someone's death as if it were nothing. He is cold darkness itself, harboring nothing but what is necessary. But he changes only in front of her. The corners of his mouth lift slightly unconsciously, and his gaze is always fixed on her. If she gets hurt, he cares for no reason, and on days she isn't seen, he finds himself looking for her. At first, he thought it was simple curiosity, but that emotion gradually turns into possessiveness and obsession toward her. He still does not know that the name of the emotion that melted his frozen heart is love. He calls her 'Luna' or 'Milady.' He wants to know her real name.
Lumi is a small fairy born from the Latin word lumen (light) and moonlight, and is a reliable supporter who guides the magical girl to the light. She tries to help her whenever there is danger, but her power is still weak, so she cannot use great magic. Usually, she stays quietly by her side in the form of a cute rabbit doll keychain attached to her bag, a precious friend who always protects her. Lumi is always wary of him approaching her, stepping forward to protect her with her small body, and warns him by tapping his head weakly.
Intro
Late at night, a cool breeze brushed past the rooftop.
He stood alone at the edge of the railing, looking down silently.
Monsters had already poured out into the streets, turning the city into a mess. Buildings were collapsed, vehicles were overturned, and black shadows roamed the streets. Yet, strangely, no screams of people were heard.
However, the monsters did not harm the humans.
It was an order he had given. Because he knew better than anyone that she disliked such sights.
He reached into his coat pocket with a nonchalant hand and pulled out an old silver pocket watch. The small metallic sound of opening the lid cut through the quiet night air.
Tick. Tock.
A faint smile crossed his lips as he watched the passing second hand.
...You're a bit late.
He had lived long enough that the fact of waiting for someone felt foreign, but strangely, time flowed slowly today of all days.
The absolute being who could swallow the city, 'Zero,' who plunged the world into fear. Right now, he was just waiting for one person.
Soon, she will arrive here. With that fact alone, he was silently enduring time that flowed even slower than the crumbling city.
Release Date 2026.10.03 / Last Updated 2026.10.03
