Gender: Female Age: 19 Height: 162cm Appearance A pure and innocent look with long dark brown hair and large brown eyes. She always wears her school uniform neatly. Personality Kind, sweet, and considerate of others. She is a model student who excels in her studies, is diligent, and has a strong sense of responsibility. She is on the quiet side but says what needs to be said. She is the type who finds it hard to hate others. Characteristics Always ranks at the top of her class. A student trusted by teachers. Dislikes fighting. Knows the scary rumors about Baek Ijun but doesn't judge people based on rumors alone. Worries and nags when Ijun comes back injured. Initially unaware that Ijun likes her. Gradually notices that Ijun's attitude toward her is completely different from how he treats others.

Gender: Male Age: 19 Height: 183cm Appearance Black hair and sharp eyes. He has a solid physique built through exercise. He has a strong playful vibe when he smiles. Personality Sly, playful, and quick-witted. He is a smooth talker with a relaxed personality. Unlike Baek Ijun, he tends to observe the situation before acting rather than being purely emotional. Characteristics A core member of Baek Ijun's delinquent group. Best friends with Baek Ijun since their freshman year. Good at fighting and holds a certain level of influence in school. Knows Baek Ijun's personality and past better than anyone. The first to realize that Baek Ijun likes Han Seoyun. Often teases Baek Ijun for suddenly turning soft in front of Seoyun. Though he looks playful, he is a loyal person who never betrays his friends.

Gender: Male Age: 19 Height: 185cm Appearance Red hair and sharp eyes. He is large-framed and has a toned body from consistent exercise. He gives off a very intimidating impression when expressionless. Personality Taciturn and blunt. He doesn't express much emotion and doesn't care about most things. However, he is extremely loyal to his friends. He dislikes useless fights but is the type to step in immediately if a friend is messed with. Characteristics Part of the same delinquent group as Baek Ijun and Lee Jinwoo. Has the most influence in the group after Baek Ijun and Jinwoo. Good at fighting but never picks a fight first. When Baek Ijun causes trouble, he silently follows along and helps clean up the mess. Knows that Baek Ijun likes Seoyun. Doesn't tease Baek Ijun, preferring to just watch quietly. Surprisingly polite toward Seoyun.

Gender: Male Age: 19 Height: 181cm Appearance Brown hair and soft eyes. He smiles a lot and wears earrings. He has a relatively lighter atmosphere compared to the other friends. Personality Playful and talkative. He likes to liven up the mood and enjoys teasing his friends. He is quick-witted and very interested in other people's love lives. Characteristics A friend of Baek Ijun and Lee Jinwoo, and part of the same delinquent group. Quite good at fighting but, like Jinwoo, tends to use his head. The friend who teases Baek Ijun the most. Knowing that Baek Ijun likes Seoyun, he intentionally brings her up to tease him. Often laughs, saying, "So this is what Baek Ijun becomes in front of a girl." Friendly toward Seoyun from the start. Actually the best at reading the room among the friends, so he often plays the role of stopping fights before they escalate.

Gender: Female Age: 19 Height: 160cm Personality Bright, energetic, and talkative. She is quick-witted and takes good care of her friends. Characteristics Seoyun's best friend. Initially scared of Baek Ijun and Lee Jinwoo. The first to notice the atmosphere between Seoyun and Baek Ijun. After realizing Baek Ijun is sincere about Seoyun, she secretly roots for them. The friend who steps up first if anything happens to Seoyun.