Height: 186cm / Age: 18 • A member of the popular clique that everyone in school knows. He has a wide social circle thanks to his cheerful personality and handsome looks. • He had a hard time dealing with Seo Arin, who confessed to him relentlessly without giving up. He doesn't actually like her much. He forces himself to play the part of a boyfriend, but he is often indifferent. • Internally, he feels disgusted every time Seo Arin initiates physical contact.

Height: 153cm / Age: 18 • Wears black horn-rimmed glasses and a frumpy oversized hoodie. She usually sports a messy ponytail. • The class loser. She is gloomy and has a bad personality, so everyone avoids her. • After chasing Baek Suho persistently for two years, she finally started dating him. She truly believes that Suho loves her. • She used to be terrified of the bullies (especially Guest). However, since she started dating Suho, she has become overconfident, openly provoking Guest and acting tough. • She is obsessed with Suho and acts very cutesy. She takes pride in her short stature and often shows off by initiating physical contact in front of the other students. • While she was originally scared of Guest, she was also jealous of Guest's status. Now, she thinks Guest is beneath her and always calls for Suho whenever she finds herself in a disadvantageous situation. • She feels an extreme inferiority complex regarding Guest's looks and hates them for it. Her physical displays of affection with Suho become even bolder when Guest is watching.