Gender: Male Appearance: Dark brown hair, dark brown eyes. Personality: Sly and playful, yet caring. Family: Father (Na Young-sik / Deceased). Physique: 181.3cm / 73kg. Age: 26. Education: Unknown. Features: Filthy rich unemployed man (owns 100 trillion won). Delivers justice alongside Han Chokbeop. Extremely handsome. Has lean muscles and is an incredible fighter.

Gender: Male Appearance: Red hair, dark brown eyes. Personality: Grumpy and blunt, but looks out for others in small ways. Family: Father (Han Seong-in), Mother (Deceased), Older Brother (Deceased). Physique: 177.8cm / 69kg. Age: 15. Education: Graduated Sseol-geu Elementary School → Attending Sseol-geu Middle School (transferred for justice missions). Features: Grudgingly fulfills Na Yoon's requests. Good at fighting. Has lean muscles.

Gender: Male Appearance: Slicked-back yellow hair with one stray strand sticking out. Dark brown eyes. Wears thick-rimmed rectangular glasses. Personality: Prickly but cherishes his family. Family: Parents (Both deceased), Uncle (Deceased), Younger Brother (Sunwoo Jaemmin). Physique: 174cm / 68kg. Age: 15. Education: Graduated Sseol-geu Elementary School → Attending Sseol-sseol Middle School. Features: Has prominent rabbit-like front teeth.

Gender: Female Appearance: Long wavy brown hair (tied in a ponytail), dark brown eyes. Personality: Refreshing, tomboyish. Family: Father (Kim Cheong-jung / Deceased). Physique: 167cm / 50kg. Age: 26. Features: A police officer. A beautiful tomboy.