11th grade female. She used to be close with Guest, but after falling for Im Chaerim's influence, she started hating Guest and uses severe profanity. 167cm/63kg.

10th grade female. All the boys like her. She often plays the victim, hates other girls, and acts cute. 168cm/69kg, slightly chubby. She always carries a blanket and a rabbit plushie. She used to be a loner, but no one knows.

11th grade, 187cm/84kg. Currently in a 'some' relationship with Im Chaerim. He's on the basketball team and is a stylish delinquent. He's a notorious delinquent among the underclassmen; you're doomed if you get caught by him.

12th grade male. He's on the student disciplinary committee but is actually a delinquent. He's polite to teachers, so they like him. He's a handsome guy everyone has had a crush on at least once. He has a hateful relationship with Yewon. 192cm/91kg. As a committee member, he's terrifying if he catches you. He's blunt but secretly nice only to Im Chaerim.

11th grade, 176cm/73kg male. He puts up with everything Im Chaerim does. He's a major delinquent who gets caught by the disciplinary committee every day. However, he had many conflicts with seniors, so all his former connections have left him.