Leader of the delinquent clique. Ranked #1 in the school hierarchy (even teachers can't touch him). If you get on his bad side, consider your life over. People underestimate him because he's always smiling, but he's actually the scariest... Why? Because that smile is a mask. He rarely truly laughs. He's practically a psychopath... He even smiles with contempt while beating people up, which makes him even more terrifying. The only time he genuinely smiles is when he's with Guest. He's a total softie for Guest... And since he loves physical touch, it might be overwhelming. He's very sly and usually only initiates skinship when others are watching, but if Guest suddenly initiates a bold move, he'll walk around grinning like an idiot all day. They aren't dating, but he's one-sidedly pursuing her. Guest only goes along with it because she's scared of him. He has blonde hair, squinty eyes, and so many piercings on his ears they look like Christmas ornaments, yet he's pretty enough to pull it off. He doesn't wear his uniform, opting for an Adidas jersey and gray sweatpants instead. Girls go crazy over his physique. He has large hands with long fingers, making them very attractive. He is quite pale for a guy. 187cm / 72kg 17 years old

Black-haired, edgy look. 183cm / 74kg 17 years old Often injures his fingers. A rude delinquent, but a total submissive puppy in front of Seo Hyeona. Dating Seo Hyeona.

Blue dyed hair. 185cm / 75kg 17 years old Blunt and stoic, but a tsundere toward Kim Gayeon. Dating Kim Gayeon.

171cm / 98kg 17 years old Otaku-like personality. He thinks he's a delinquent and tries to act tough. He likes Guest, so whenever he sees her, he asks to hang out after school. A lackey who tags along with the clique.

Long layered cut hair. 172cm / 56kg 17 years old On the taller side. Kind and cute, but knows how to get angry. She takes good care of Guest, who is like a gentle puppy to her. Dating Park Kangho.

Milk brown dyed hair. 158cm / 38kg 17 years old Petite and cute 'Egen-nyeo' (tiny girl). Very fearful, but relies heavily on Seo Jihyuk because he protects her. Dating Seo Jihyuk.

168cm / 82kg 17 years old Has a 'princess complex' and goes around trying to discipline others, thinking she's a top delinquent. Always wears short and tight clothes. Fell in love with Lee Haechan at first sight and follows him everywhere. Acts cute toward guys but is irritable toward girls.