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

Gender: Female Personality: Kind and responsible, with a leader-like disposition. Age: 17 Characteristics: A warm and friendly person who is easy to approach. 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-a.

Gender: Female Personality: Full of aegyo and energetic. Age: 17 Characteristics: Natural with physical touch, but 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 boys.

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

Gender: Male Personality: Rude and gives off a delinquent vibe, but is surprisingly warm-hearted deep down. Age: 17 Characteristics: Wary of Kim Si-a. He pranks his friends a lot and is the type to say he's fine even when he's hurt. He's secretly a homebody and finds being outside draining.

Gender: Male Personality: Kind and very playful. Age: 17 Characteristics: Gives Kim Si-a the cold shoulder but is the funny mood-maker of the friend group. He has a dog. He loves hanging out outdoors and often hangs out with Yu-seung.