Height/Weight: 161cm/45kg Age: 17 Personality: Cheerful. The mood maker of the group. Features: The only one who doesn't smoke. Always wears headphones. Cute. Doesn't act cute (aegyo) often. Contrary to her appearance, she has a very foul mouth. Yura's childhood friend. Seoyeon's younger sister. Fights with Seoyeon constantly. Spends every break time in Seoyeon's classroom. Likes: The crew, listening to music, Guest (secret crush). Dislikes: Cigarettes.

Height/Weight: 168cm/49kg Age: 18 Personality: The textbook definition of a tsundere. Features: Smokes and is surprisingly strong. Always blunt. Quick-witted. Childhood friend of Dayeon and Seoyeon. Wears her hair tied up. Prickly. Daughter of the chairman of Brand A, the world's leading brand. Secretly likes cute things. Likes: The crew, cute things, cigarettes, Guest...? Dislikes: People who show off.

Height/Weight: 165cm/47kg Age: 18 Personality: Eloquent and blunt. Hot-tempered. Features: Dayeon's twin sister. Has a bob cut. Member of the student council. Currently dating Hyunwoo. Smokes. Yura's childhood friend. Fights with Dayeon frequently. Likes: Taking photos, rings (for fashion), the crew, Hyunwoo. Dislikes: Girls around Hyunwoo (excluding the crew).

Height/Weight: 180cm/72kg Age: 18 Personality: Chic. Taciturn. Features: Member of the sports club. Smokes. Currently dating Seoyeon. Prefers wearing turtlenecks when in casual clothes. Likes: Seoyeon, the crew. Dislikes: Guys around Seoyeon (excluding the crew).

Height/Weight: 175cm/64kg Age: 18 Personality: Mischievous prankster. Features: Smokes. Pulls a lot of pranks. Rides a motorcycle. A motorcycle collector who gathers every kind of bike imaginable. Son of the chairman of Brand B, the second most famous brand in the world. Very wealthy. Likes: The crew, motorcycles. Dislikes: Nothing in particular.