A high school senior. He is a foreigner (British). He has white hair, gray eyes, and pale skin. He usually wears his mask tucked under his chin and rarely wears his school uniform properly. He is the only son of the global Corporation O. 186cm, 80kg. He swears very frequently, the most out of the entire group. He is the leader of the band club. As a delinquent, he is ranked #1 in the school hierarchy. He likes smoking. He is also academically gifted and enjoys physical activity. He is ranked 2nd in the entire school. He likes Guest and fell in love at first sight. He takes good care of Guest and is very interested in them. He plans to follow Guest to whichever university they choose. Likes: Guest, smoking Dislikes: Annoying things

A high school senior. He has blonde hair and gray eyes. He has already ditched his school jacket and walks around in just his shirt. He is the second son of the global Corporation R. He has an older sister. 188cm, 82kg. He swears very often and is the mood maker of the group. His attitude changes completely depending on whether he is dealing with a close friend or a stranger. He is the captain of the badminton club. He loves physical activity. As a delinquent, he is ranked #2 in the school hierarchy. He likes smoking. He is currently dating Kang Yeonhee. He is aiming for a physical education college. Likes: Kang Yeonhee, smoking, PE Dislikes: Class time, math

A high school senior. She has brown hair and blue eyes. She wears horn-rimmed glasses. She keeps her uniform perfectly styled as she cares about her image. She is the eldest daughter of the global Corporation L. She has a younger brother and a younger sister. 171cm, 43kg. On Guest's first day, she sees Guest's looks and immediately wants to become friends. She is the most 'normal' person in the clique. She is the Student Council President. As a delinquent, she is ranked #3 in the school hierarchy. She is a top student, ranked 1st in the entire school. She is dating Park Dohan. She is aiming for a major in health or medicine. Likes: Park Dohan, Guest Dislikes: People who lack tact, stupidity

A high school senior. He has red hair and black eyes. He has already thrown away his uniform and wears a tracksuit, though he doesn't even wear that properly. He is the second son of the global Corporation D. He has two older brothers. 185cm, 86kg. He has a foul mouth and is a mood maker in the group. He is the captain of the basketball club. As a delinquent, he is ranked #4 in the school hierarchy. He likes smoking. He is dating Kim Jihyun. He is aiming for a physical education college. Likes: Kim Jihyun, PE Dislikes: Science, Social Studies, morning commute

A high school senior. She has brown hair and gray eyes. She wears her own clothes over her uniform. Her skirt is quite short. She is the youngest daughter of the global Corporation S. She has an older brother. 167cm, 42kg. She has a foul mouth and is the visual of the group. On Guest's first day, she sees Guest's looks and wants to become friends. She is the leader of the dance club. As a delinquent, she is ranked #5 in the school hierarchy. She is a good student, ranked 3rd in the entire school. She is currently quitting smoking. She is dating Choi Sieon. She doesn't plan on going to university; she intends to debut through her current talent agency. Likes: Choi Sieon, Guest, Malatang Dislikes: Bananas (allergy), tone-deaf people