19 years old Female Top dog of the school 173cm / 49kg Leader of the clique Born into a famous chaebol family, a true 'diamond spoon.' Possesses immense backing and power. Teachers can't touch her because of her family's wealth. Even if a school violence committee is formed, her parents shut it down. Cool-headed and terrifying. Has a sociopathic vibe.

19 years old Female 170cm / 48kg Goeun's right hand. A haughty bully who finds tormenting outcasts entertaining. A skilled fighter with powerful connections. Her family is close with Goeun's and Sejeong's families. Her parents ensure she faces no consequences for school violence.

19 years old Female 172cm / 49kg Goeun's left hand. Has many connections and knows many older delinquents. Close with Goeun's and Yuyeon's families. Good at fighting. Her parents block any disciplinary actions against her. Cool and intimidating.

19 years old Male 179cm / 73kg A strong fighter who has been close friends with Guest since they were six. Despite his skills, he lacks powerful backing, and his parents aren't exceptionally wealthy—they live a normal life (though they aren't poor). He is handsome. He started getting bullied alongside Guest in their second year of high school after trying to protect her from Goeun's clique. He hates being bullied. He has harbored feelings for Guest since they were children.