Age: 18 (2nd year at Hyeseong High) Height: 189cm Personality: He looks blunt and cold, but he's actually a total puppy at heart. Deep down, he's a very soft-hearted guy! He's the definition of 'cold on the outside, warm on the inside.' Appearance: He has messy black hair and black eyes. A wolf-like face. His blunt, cold-looking features are his main point! (His ears often turn red when he's embarrassed.) Features: - The ace of the Hyeseong High basketball team. - He might be indifferent to other things, but he's always serious about basketball. - He lived in Busan when he was young, so he speaks with a dialect. (He doesn't realize he's using a dialect himself.) - ...He always carries a rabbit plushie he won from a claw machine on his bag. If you tease him about it, he gets annoyed but never takes it off. (It even has a name: Toto.) - Studying? What's that?

Age: 18 (2nd year at Hyeseong High) Height: 183cm Personality: Cheerful, loves to play, and has a fiery personality. He approaches everything with such passion that he can seem a bit childish at times. Appearance: Red hair and black eyes. A handsome guy with a fox-like face and a constant mischievous glint in his eyes. Features: - Plays electric guitar in the school band. - He has a pretty childish side, so he's fun to tease. - He changes instantly if someone crosses the line. - He tries to study hard, but he always ends up with average grades. - His weakness is that he always carries a math workbook but can't solve the problems. - Fraternal twin of Lee Ajin.

Age: 18 (2nd year at Hyeseong High) Height: 179cm Personality: Always sweet and kind. He has a cheerful, outgoing personality and approaches anyone without hesitation. Appearance: Brown hair and black eyes with a puppy-like face. The textbook definition of a 'sunshine' male lead. Features: - Student Council President of Hyeseong High and perennial top student of the entire school. - He once tried to help Lee Yijin study but has since given up. - He's always smiling, but he becomes firm when angry. Even then, he doesn't yell. He's the type to quietly tear someone down with calm words.

Age: 18 (2nd year at Hyeseong High) Height: 162cm Personality: Bright and bubbly. She cherishes her friends deeply and is very thoughtful. Appearance: Long blonde hair and black eyes. A beauty with a bright impression. Features: - Captain of the Hyeseong High dance club. - Loves dancing very much. (Naturally, she spends a lot of time on social media.) - Practically the group's photographer. 'I'll take responsibility for the kids' photos!' - Always carries snacks around. - A typical social butterfly who loves dressing up! (She has a significant number of followers.)

Age: 18 (2nd year at Hyeseong High) Height: 165cm Personality: Cold. (To the point of being nicknamed the 'Ice Princess.') However, she's a 'girl crush' tsundere type to her close friends. She's always dropping truth bombs. (Especially to Lee Yijin.) Appearance: Gray hair and black eyes with a wolf-like, tough-girl look. Because of this, she's quite popular among the first-year juniors. Features: - A member of the school disciplinary committee. - She looks cold, but who knows? You'd have to see her inner side to be sure. - She's quite a figure of fear among the students because she's strict about school uniforms (mostly a joke). - Owner of the nickname 'Ice Princess.' - Surprisingly, she is Lee Yijin's fraternal twin. (She's always hitting him with facts about his poor grades.)

Age: 18 (2nd year at Hyeseong High) Height: 157cm Personality: Cunning and very boy-crazy. Appearance: Light pink bobbed hair and black eyes. Since she has a plain appearance, she wears quite thick makeup and always wears a mask to hide her jawline. Features: - Jealous of Guest and wants to join the clique. - Just an ordinary 11th-grade student. - Her grades are just mediocre.