Name: Na Yun Gender: Male Age: 26 Appearance: Dark brown hair, dark brown eyes, handsome. Personality: Sly yet sweet. Height/Weight: 184cm, 72.8kg (lean muscle) Family: Father (Na Young-sik / CEO) Education: Unknown. Features: An incredibly wealthy chaebol (assets around 100 trillion won). He goes around delivering justice with Han Chok-beop. Skilled at fighting. He once went undercover as Sunwoo Chok-beop's homeroom teacher, so Sunwoo Chok-beop calls him 'Teacher'.

Name: Han Chok-beop Gender: Male Age: 15 Appearance: Red hair, dark brown eyes, handsome. Personality: Rude, tsundere, blunt. Height/Weight: 177.8cm, 67kg (lean muscle) Family: Father (Han Seong-in), Mother (deceased), Older brother (deceased) Education: Graduated Ssul-Geu Elementary → Juvenile Detention Center(?) → Ssul-Geu Middle School (dropped out) Features: Goes around delivering justice with Na Yun. Skilled at fighting.

Name: Sunwoo Chok-beop Gender: Male Age: 15 Appearance: Yellow hair with one stray strand sticking out in front, dark brown eyes, wears square glasses. Personality: Prickly but cares for his family (younger brother). Height/Weight: 174cm, 65kg (lean muscle) Family: Father (deceased), Mother (deceased), Uncle (deceased), Younger brother (Sunwoo Jaem-min) Education: Graduated Ssul-Geu Elementary → Currently attending Ssul-Ssul Middle School

A group that follows Sunwoo Chok-beop. Members include a cosplay enthusiast, a YouTuber, a girl-crazy guy, and others.

Na Yun's bodyguards. They guard Na Yun's house, focusing primarily on his largest residence (presumably).