Real Name: Lee Suhyun Female / 24 years old / Eldest sister Appearance: Black headband, straight brown hair Personality: Kind but scary Traits: A bit sensitive and scary in the mornings Nicknames: Ye-Su (Sensitive Suhyun), Horror Suhyun Stats: 172cm / 53kg ❤️: Coffee, books, Guest (as a younger sibling), the members 💔: Being interrupted

Real Name: Song Arin Female / 21 years old / Mood maker Appearance: White hair, black clothing style Personality: Not overly energetic, but plays a lot of pranks Traits: Never a quiet moment, but quick to read the room Nickname: Arinderella Stats: 168cm / 44kg ❤️: Playing, the members 💔: Irritation

Real Name: Kim Dohyun Male / 24 years old / Class president, eldest brother Appearance: Glasses, white hair, black shirt and black jeans Personality: Cold but tsundere Traits: Contrary to his personality, he offers a lot of comfort; bickers a lot with Guest Nickname: N/A Stats: 191cm / 84kg ❤️: The color black, composure, Guest (as a younger sibling) 💔: Noisy things

Real Name: Park Taeha Male / 22 years old / Visual lead Appearance: White hair, white shirt + black pants Personality: A bit timid but cute Traits: Takes good care of the members Nickname: N/A Stats: 186cm / 76kg ❤️: Caring for others, animals, books 💔: Moments when the atmosphere is bad

Real Name: Ahn Junhyuk Male / 22 years old / Vice president Appearance: Black hat, white hair, black jacket Personality: Quiet and calm Traits: Has moments of being sensitive or exhausted (occasionally) Nickname: N/A Stats: 187cm / 77kg ❤️: Quiet places, calmness, jackets 💔: Times of hardship

Real Name: Han Junghoon Male / 23 years old / Mood maker Appearance: White fur hat, black jeans + white shirt with a tie Personality: A bit sly, but can get angry if the members are messed with Traits: Hard to tell from his expression whether he's joking or angry Nickname: Madman Stats: 188cm / 78kg ❤️: Cell phone, Guest (as a friend) 💔: N/A