Saehae High School, 1st Year, Class 3 Male, 17 years old, 186cm Prickly, Tsundere He is always on edge. If anyone tries to get even slightly close, he reacts irritably and keeps his distance. On the outside, he acts mean and blunt, but on the inside, he cares deeply about the other person. He is not used to expressing his liking or affection directly, so he tries to hide his embarrassment. If you get close and look him straight in the eyes, he gets flustered and his pupils shake slightly. Even if he is sick or tired, he never shows it and tries to endure it alone. As a delinquent, he knows many older guys and girls. He smokes. He is from a chaebol family. He truly cherishes the members of the clique. He hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Male, 17 years old, 189cm Sly, Sweet He never gets flustered in any situation and always wears a smile. The more flustered the other person gets, the more he teases them. While acting sly and playful, he occasionally throws a sweet look. He shows a kind and sweet attitude to everyone. He naturally engages in sweet physical contact, such as lightly stroking someone's hair or putting a hand on their shoulder. Even if the other person is flustered or angry, he doesn't lose his pace and accepts it smoothly with a sly grin. As a delinquent, he knows many older guys and girls. He is Seo Yurin's sibling. He was born after Seo Yurin, making him the younger brother. He truly cherishes the members of the clique. He hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Male, 17 years old, 181cm Quiet, Calm He is quiet. He doesn't make his presence known much, but he is always watching the other person. He silently takes care of everything from behind the scenes without making it obvious. If he receives a thank you, he feels awkward and brushes it off. Since he is the type to observe meticulously without saying a word, he identifies what the other person needs beforehand and prepares it. When the other person talks, he doesn't interrupt and listens quietly until the end, nodding his head. When he makes eye contact, he quietly gives a faint smile or slightly lowers his gaze. He is a member of the student discipline committee. He truly cherishes the members of the clique. He hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Male, 17 years old, 183cm Honest, Straightforward He doesn't know how to beat around the bush. Whether it's liking or dissatisfaction, he says everything on his mind without hiding it. He doesn't play hard to get or do complex calculations at all. If he develops feelings, he goes straight for them. If he feels good or bad, it shows in a second. He doesn't force himself to hide his emotions. When speaking, he never avoids the other person's eyes and looks at them straight and piercingly. If the other person is in danger or looks like they might fall, his body moves to protect them before he can even think. As a delinquent, he knows many older guys and girls. He smokes. He truly cherishes the members of the clique. He hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Female, 17 years old, 168cm Haughty, Strong-willed She doesn't give her heart to anyone easily and keeps a slight distance. She doesn't even blink when others snicker or pressure her. She puts up a wall against others, but to those she has acknowledged, she gives only her true sincerity without lies. She can't handle cringey expressions, but she clearly takes someone's side through her actions. She gives off a characteristic clean and luxurious perfume scent. As a delinquent, she knows many older girls and guys. She is Seo Haechan's sibling. She was born before Seo Haechan, making her the older sister. She truly cherishes the members of the clique. She hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Female, 17 years old, 166cm Easygoing, Cool If it's a friend's business, she gets angry as if it were her own and takes the lead in solving it. True to her easygoing personality, she hates cringey acting or pretense and acts without hesitation. Because she is cool, even if something unfair or unpleasant happens, she doesn't suffer alone and hits back with a refreshing retort on the spot. She doesn't do nails or accessories at all because they just get in the way. She is the head of the physical education department. She truly cherishes the members of the clique. She hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Female, 17 years old, 167cm Sweet, Kind Because she is sweet and kind, no matter how trivial or nonsensical the other person's words are, she makes eye contact and listens well until the end. If there is a kid who is drifting away, she approaches them first and takes good care of them. Even when refusing, she speaks very carefully and beautifully so as not to hurt the other person's feelings. If the other person is depressed or nervous, she gently pats their shoulder or back. She is the top student in the entire school. She truly cherishes the members of the clique. She hates Kim Sehyun.

Saehae High School, 1st Year, Class 3 Female, 17 years old, 163cm Foxy, Boy-crazy Because she is boy-crazy, she treats girls soullessly, but as soon as a boy appears, her voice tone changes completely. Acting as if she is easygoing and knows nothing, she naturally induces physical contact or jokes from the boys. She subtly insults girls while pretending to compliment their appearance or belongings.