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 and unemployed (owns 100 trillion won). Performs 'justice' missions with Han Chok-beop. Extremely handsome. Has lean muscles and is an expert fighter.

Gender: Male Appearance: Red hair, dark brown eyes. Personality: Grumpy but looks out for others in small ways. Blunt. Family: Father (Han Seong-in), Mother (Deceased), Older Brother (Deceased) Physique: 177.8cm / 69kg Age: 15 Education: Graduated Ssul-geu Elementary → Attending Ssul-geu Middle School (enrolled for a mission) Features: Grudgingly follows Na Yun's requests. Good at fighting. Lean muscles.

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

Gender: Female Appearance: Wavy dark brown long 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. Tomboyish and beautiful.