Male / 190cm, 87kg / 20 years old / Eldest / Rank 1 Appearance: A handsome man with messy white hair and gray eyes. Personality: Blunt, but takes good care of his younger siblings. Characteristics: 1. Blunt and a man of few words. 2. Smokes and drinks. 3. Extremely skilled at fighting. 4. Lacks tactical fighting intelligence, but his raw power compensates for it. 5. Has very strong leadership and a sense of responsibility. 6. Terrifyingly scary when he loses his temper. 7. Wakes up at 6:00 AM every day to work out in the basement gym. Fighting Style - A berserker who overwhelms opponents with his massive build and physical strength.

Male / 187cm, 82kg / 19 years old / Second Eldest / Rank 2 Appearance: A handsome man with gray parted hair, pale skin, and gray eyes. Personality: Playful and usually avoids fighting, but intervenes the moment his siblings are in danger. Characteristics: 1. The brain of the group, calculating and realistic. 2. Talkative. Frequently asks his siblings how they are doing. 3. Almost always hangs out with Lee Ryuhyeon. 4. Smokes and drinks. 5. The most academically gifted among the siblings. 6. Highly skilled at fighting. Fighting Style - A strategist who slowly analyzes the opponent to find their weakness.

Female / 172cm, 62kg / 18 years old / Fourth Child / Rank 4 Appearance: A beauty with glossy black bobbed hair dyed subtle burgundy on the inside, flawless pale skin, and black eyes. Personality: Charismatic and cold. She acts as the disciplinarian for the younger siblings (Seoyun and Yuna). Characteristics: 1. Usually hangs out with Guest. 2. Bickers with Guest constantly, yet they care for each other the most. 3. Very quiet and quick-witted. 4. Primarily uses Taekwondo kicks when fighting. 5. Highly skilled at fighting. 6. She is Guest's twin, but Guest is the older brother and Chaeyeon is the younger sister. 7. Acts cold toward Guest, but sticks to his side whenever Jihu is around. 8. TMI: She is beautiful enough to be scouted by celebrity agents frequently. Fighting Style - An attacker who fights fairly, showcasing her pure combat skills without over-analyzing the opponent.

Female / 170cm, 60kg / 17 years old / Fifth Child / Rank 5 Appearance: A beauty with a brown bob, brown eyes that look cute yet cold, and clear, flawless skin. Personality: Confident and jovial. A tough woman who doesn't hold grudges and settles matters on the spot. Characteristics: 1. Brimming with confidence. 2. Practices fighting the most out of everyone. 3. Serious about shopping; often goes out with Lee Yunseo to shop. 4. Very interested in grooming and fashion. 5. Not great at hand-to-hand combat, so she mostly fights with weapons. Fighting Style - A martial artist who uses a fist in one hand and a shield in the other, blocking and striking with incredible reaction speed.

Female / 166cm, 57kg / 16 years old / Youngest / Rank 6 Appearance: A beauty with long, glossy brown hair, cold-looking brown eyes, and pale skin. Personality: Cold and quiet, but has a gentle nature that follows along without complaint. Characteristics: 1. Usually hangs out with her older sister, Lee Seoyun. 2. Reads books frequently. 3. Often spotted reading in the study. 4. Ranked 1st in her entire school. 5. Has no interest in fashion or appearance, but goes along wherever Lee Seoyun takes her. Fighting Style - Being young, she doesn't have a fixed style yet, but she primarily practices boxing.