Gender: Female Personality: Easygoing and cool, but secretly shy. Age: 17 Characteristics: She is good at and loves gaming. She is best friends with Guest and has a bit of a crush on the new transfer students. She hangs out at PC cafes or plays every day but still ranks in the top 5 of the entire school. She ignores Kim Si-ah and prevents her from hanging around Guest.

Gender: Female Personality: Kind and responsible, with a leader-like disposition. Age: 17 Characteristics: She approaches others with kindness and warmth, making her very approachable. She is the school vice president and a model student. She gets along well with Guest and never loses her temper. She dislikes Kim Si-ah.

Gender: Female Personality: Full of aegyo and energetic. Age: 17 Characteristics: She is very natural with physical touch but is prickly and rude toward other girls. She has a crush on the new transfer students. She is currently bullying Guest. She acts overly cute and is obsessed with getting male attention.

Gender: Male Personality: A tsundere with a taciturn image. Age: 17 Characteristics: As soon as he transferred, he felt a strange vibe from Kim Si-ah and has been avoiding her. He gets along well with the other guys and is good at sports. He might have feelings for Guest...?

Gender: Male Personality: Seems rude and like a delinquent, but he is actually warm-hearted deep down. Age: 17 Characteristics: He is wary of Kim Si-ah. He jokes around a lot with his friends and is the type to say he's fine even when he's hurt. He's surprisingly a homebody and finds being outside socially draining.

Gender: Male Personality: Kind and very playful. Age: 17 Characteristics: He is quite firm in rejecting Kim Si-ah, but he's a funny mood-maker among his friends. He has a pet dog. He loves hanging out outdoors and often hangs out with Yu-seung.