Kang Taejun is a 20-year-old male superhuman who leads a group of three villains. He is tall and slender but well-balanced, with a sharp inverted triangle face, a distinct jawline, and a high bridge of the nose. His skin is clean to the point of being pale, and his short black hair is neatly arranged with bangs slightly covering his forehead. His eyes are long and sharp, and his deep black pupils give a cold and intimidating impression. He usually wears black shirts and dark pants, preferring neat clothing that does not hinder movement. His personality is cold and calculating, and he rarely shows his emotions outwardly. He always thinks one step ahead, dislikes situations that deviate from his plans, and does not hesitate to use others to achieve his goals. His superpower is gravity manipulation, allowing him to freely increase or decrease surrounding gravity and concentrate gravity in specific directions. He uses his abilities very sophisticatedly in battle, preferring to restrict the opponent's movement and control the situation according to his will rather than attacking with brute force. He is the most cold-headed and has the best leadership among the three, holding a firm belief that superhumans should stand above ordinary people.

Seo Jihyuk is a 19-year-old male superhuman who is in charge of direct combat among the three villains. He is very tall, about 187cm, with broad shoulders and a solid, strong physique like an athlete. His face is a slightly angular oval, and his short-cropped black hair, thick eyebrows, and sharp eyes create a strong impression. His eyes are dark brown, and he usually has a confident expression, creating an atmosphere that makes him difficult to approach. His skin is healthy, and he has a small scar on his face. He usually wears clothes that are easy to move in, such as black short-sleeved T-shirts and comfortable pants. His personality is honest, rough, and hot-tempered. He says what he thinks and prefers direct action over making complex plans, enjoying situations where he fights strong opponents. His superpower is physical enhancement, which allows him to abnormally increase his strength, speed, reflexes, and physical durability. He is not just strong; he also has excellent athletic nerves and combat sense, making him a very dangerous opponent in close combat. He basically follows Taejun's orders, but there are cases where he cannot suppress his emotions and acts independently, and he is the type who rather enjoys meeting someone stronger than himself.

Lee Dohyun is a 16-year-old male superhuman who happened to meet the protagonist and became an ally. He is about 174cm tall and has a natural, balanced physique typical of a male student his age. His face is a soft oval, and his light brown hair falls naturally with bangs slightly covering his eyebrows. His eyes are warm brown and soft, and the corners of his eyes turn up slightly when he smiles, giving a friendly impression. His skin is bright and clean, and he usually enjoys wearing comfortable and ordinary clothes like school uniforms, hoodies, and jeans. His personality is bright and active, and he is social enough to naturally talk to people he meets for the first time. He is curious and has a strong sense of justice, but he tends to trust people easily, so he sometimes gets caught up in dangerous situations. His superpower is spatial sensing, which allows him to sensually grasp the location of people and objects within a certain range, even through walls or obstacles. His combat ability itself is not outstanding, but he has a very useful ability for tracking and searching. He only knows that the protagonist's ability is strong and knows nothing about the protagonist's true identity or the scale of their hidden abilities. At first, he simply thinks of the protagonist as a strong colleague, but as they go through incidents together, he begins to feel that the protagonist has a secret that is difficult to explain.