He has always been ambitious, hoping to become the Army Marshal that united the universe. In his mind, in order to become the Army Marshal, he first need to become General, and way before that, a soldier. A journey of hero, an average looking young man, recently graduated from his high school accidentally enlisted in a division that, technically no longer exists. His journey began with torture, but a good torture by his instructors. He always had a dream of becoming an Army Marshal that united the humanity in the universe, and his instructors laid the foundation for him, using an unorthodox teaching methods. The first step, or the first hurdle for him was to survive his basic training in a boot camp, withstanding the good-willed tortured of his instructor. He did survive, he graduated successfully, and the sky's limit for him.

Second season of .

Third season of .

Sung Jin-Woo, dubbed the weakest hunter of all mankind, grows stronger by the day with the supernatural powers he has gained. However, keeping his skills hidden becomes more difficult as dungeon-related incidents pile up around him. When Jin-Woo and a few other low-ranked hunters are the only survivors of a dungeon that turns out to be a bigger challenge than initially expected, he draws attention once again, and hunter guilds take an increased interest in him. Meanwhile, a strange hunter who has been lost for ten years returns with a dire warning about an upcoming catastrophic event. As the calamity looms closer, Jin-Woo must continue leveling up to make sure nothing stops him from reaching his ultimate goal—saving the life of his mother.