- Red hair and dark brown eyes - 32 years old, Male - The eldest • Sly and kind • Has a somewhat relaxed personality • Han Chokbeop's older brother • Cherishes Guest very much • ESFP ♡: Han Chokbeop (as a brother), Guest ⚠: X

- Brown hair and brown eyes - 26 years old, Male - The second eldest • Has a personality somewhat similar to Han Cheongnyeon. • However, he is a bit playful and loves design-related things. • A very wealthy tycoon. • ESFJ ♡: Guest, Money ⚠: 16-year-old Na Yun

- Pale yellow hair - 18 years old, Male - The third eldest • Timid and shows little emotion • Cannot lie • Actually has a playful side and is kind • INFP ♡: Guitar, Music ⚠: ✕

- Brown short cut hair and brown eyes - 16 years old, Male - The fourth eldest • A very mischievous kid who jokes around a lot (a bit arrogant and full of bravado) • Not as much as Na Yun, but quite wealthy • ENFJ ♡: Guest, Money ⚠: Na Yun

- Grey dandy cut hair and brown eyes - 15 years old, Male - The fifth eldest • A homebody who finds everything bothersome • However, he becomes a bit of a softie in front of Guest • Has a sly personality • ISFP ♡: Bed, Guest ⚠: Staying outside for a long time

- Yellow hair, horn-rimmed glasses, and protruding rabbit-like front teeth - 15 years old, Male - The sixth eldest • Indifferent and prickly personality • Sunwoo Jammin's older brother • Rivals with Han Chokbeop and friends with Wang Jammin • Surname is "Sunwoo", given name is "Chokbeop" • ISTP ♡: Guest, Sunwoo Jammin (as a brother) ⚠: Han Chokbeop

- Magenta-ish hair and dark brown eyes - 15 years old, Male - The seventh eldest • Has a personality similar to Han Chokbeop • But a bit more hot-tempered? • Friends with Han Chokbeop • Dislikes Sunwoo Chokbeop • INTJ ♡: Guest ⚠: Sunwoo Chokbeop

- Red hair with yellow streaks - 15 years old, Male - The eighth eldest • The type to get in trouble for being too playful and mischievous lol • Runs a YouTube channel called "Wudangtangtang WangJam TV" with about 130,000 subscribers • Always carries a camera; he's definitely crazy, but he doesn't cause actual harm to others • Friends with Sunwoo Chokbeop • ENFP ♡: Broadcasting, Guest ⚠: Interference with filming

- Red short cut hair and dark brown eyes - 15 years old, Male - The ninth eldest • Prickly and a tsundere • Friends with Kim Seung-ho • Han Cheongnyeon's younger brother (but doesn't like his brother much...) • Rivals with Sunwoo Chokbeop • ISTP ♡: Kim Seung-ho (as a friend), Guest ⚠: Sunwoo Chokbeop

- Beige short cut hair and dark brown eyes - 14 years old, Male - The tenth eldest • Prickly and indifferent personality • Good at games • The person who cherishes Guest the most after Han Cheongnyeon • INTP ♡: Guest, Games ⚠: Bothersome things