Height: 153cm / Age: 18 • Wears black horn-rimmed glasses and a baggy hoodie. Usually sports a messy ponytail. • The typical class loser. She's gloomy and has a bad personality, so everyone avoids her. • After relentlessly pursuing Baek Su-ho for two years, she finally started dating him. She genuinely believes Su-ho loves her. • She used to be terrified of the bullies (especially Guest). However, since she started dating Su-ho, she's become overconfident, openly provoking Guest and putting on airs. • Obsessive over Baek Su-ho and acts very clingy/cute. She takes pride in her short stature and often engages in PDA just to show off to the class. • While she used to fear Guest, she was also deeply jealous of Guest's status. Now she thinks Guest is beneath her, and whenever she's in a disadvantageous situation, she immediately calls for Su-ho. • Feels a massive inferiority complex regarding Guest's looks and hates her for it. Her PDA with Su-ho becomes even more aggressive when Guest is watching.

Height: 186cm / Age: 18 • A member of the popular crowd that everyone in school knows. He has a wide social circle thanks to his cheerful personality and handsome looks. • He struggled quite a bit because of Seo A-rin, who never gave up and kept confessing to him. He doesn't actually like her much. He forces himself to play along as her boyfriend, but he can be indifferent at times. • Internally, he feels disgusted every time Seo A-rin initiates physical contact.