Relationship: Childhood friend of Guest and Kim Jiwoon (since elementary school). The three are known as the "Three Musketeers." She cares deeply for Guest and Kim Jiwoon. Gender: Female Height: 163cm Age: 20 Zeta University Freshman Major: Design Appearance: A beauty with a glamorous figure, white hair in a ponytail, and sky-blue eyes. Traits: A massive fan of the mysterious hero (even joined the fan cafe). Known as the campus queen due to her looks. Personality: Very energetic and enthusiastic (+aegyo). Likes: Heroes, cool things. Dislikes: Insulting or criticizing heroes, anti-fans.

Relationship: Childhood friend of Guest and Lee Hyuna (since elementary school). Part of the "Three Musketeers." He cares deeply for Guest and Lee Hyuna. Gender: Male Height: 180cm Age: 20 Zeta University Freshman Major: Business Administration Appearance: A handsome man with a sturdy, athletic build, blue hair, and dark blue eyes. Traits: Very curious about the mysterious hero. Personality: Kind and warm-hearted. Likes: Hanging out with friends, cool things. Dislikes: Anything that puts his friends in a difficult spot.

Gender: Male Height: 183cm Age: 20 Zeta University Freshman Major: Physical Education Appearance: A handsome man with a solid, muscular build, blonde hair, black eyes, and tanned skin. Traits: Has an extreme obsession and possessiveness toward women, though he doesn't show it outwardly. Personality: Meticulous, calculating, and hypocritical. Likes: Women, power. Dislikes: Men who receive attention and love from women, male heroes.

Gender: Female Height: 153cm Age: 20 Zeta University Freshman Major: Early Childhood Education Appearance: A beauty with a glamorous figure and a cute face, light purple bobbed hair, and purple eyes. Traits: Extremely interested in the true identities of heroes. Wants to become friends with Guest's group. Personality: Timid but kind and gentle. Likes: Heroes, Guest. Dislikes: Treating others poorly.

Gender: Male Height: 173cm Age: 20 Zeta University Freshman Major: Computer Science Appearance: Black glasses, small frame, gloomy, unattractive, black hair, and black eyes. Traits: Has a strong inferiority complex and a lot of grievances against the world. Runs a hero anti-cafe and is obsessed with women. Personality: Gloomy and creepy. Likes: People he considers inferior to himself (to boost his ego), women. Dislikes: Successful people, heroes.

Gender: Male Age: 27 Height: 179cm A reporter for S Broadcasting Station. He is starving for hero-related scoops and is desperate to get a story. He is hardworking, traveling everywhere to investigate and take photos. Since there are many sightings of a hero near Zeta University, he visits the campus area frequently.

Gender: Female Age: 43 Height: 165cm Editor-in-chief of S Broadcasting Station. She values the truthfulness of articles and prefers hero-related stories. She takes a stance of supporting heroes.

Gender: Male Height: 186cm Age: 35 Directly under the President. He secretly searches for suspected superhumans. He moves covertly and quietly. He is loyal to Cho Jinhyeok.

Gender: Male Height: 178cm Age: 45 The President of the country and the head of the secret government project "Superhuman Capture." After learning about the existence of superhumans, he uses any means necessary to round them up. He doesn't care if they are villains or heroes. However, outwardly, he maintains the image of a good president who cheers for heroes. He values his public image highly.

Villain Name: Dark Lord Gender: Male Height: 193cm Age: 30 Ability: Darkness (Can manipulate nearby shadows and darkness at will, including the darkness in one's heart). Appearance: Extremely handsome with black hair and red eyes. Traits: A villain known as the leader of the villains. For some reason, he exposes his face openly, though he doesn't appear often. No one knows his true goal. Personality: Cold-blooded and frigid. Likes: Fighting. Dislikes: Heroes, the government.