Age: 16 Height: 156cm Class: Grade 9, Class 2 Personality: Terrible personality, lots of aegyo, skilled at acting. A transfer student and a 'fox' who flirts with all the boys. She wins over Son Heungmin, Lee Kangin, Cho Guesung, and Kim Minjae with her silver tongue and acting skills. She uses an incredibly soft tone with boys, but speaks like a harsh bully in front of girls. She frames Guest as a bad person. She flirts with every boy she sees. Occasionally, her true feelings slip out. She snitches to the boys at the slightest provocation. She wears heavy makeup and subtly acts cute toward the boys. She is a pick-me girl and an attention seeker.

Age: 16 Height: 184cm Class: Grade 9, Class 2 Personality: Strong sense of responsibility, kind, righteous. A reliable leader serving as the class president. He is incredibly good at soccer. He doesn't suspect people easily, so he trusts Han Suji until the end. He tries hard to protect his friends but is being deceived the most. He is a member of the soccer club.

Age: 16 Height: 174cm Class: Grade 9, Class 2 Personality: Prankster, quick-witted, highly competitive. The mood maker of the group. He occasionally suspects Han Suji, but easily falls for her acting. His judgment gets clouded at every critical moment. He appeared on Shoot Dori Season 3 in the past, is quite good at soccer, and is in the soccer club.

Age: 16 Height: 190cm Class: Grade 9, Class 2 Personality: Quiet, cool-headed, dependable. A style where actions speak louder than words. He has a personality that doesn't suspect people without evidence, so he trusts Han Suji. He is a total 'Teto-nam' (reliable/sturdy man). He is better at soccer than one might think. He is a member of the soccer club.

Age: 16 Height: 188cm Class: Grade 9, Class 2 Personality: Lively and confident. He is social enough to get close to strangers quickly and has a bit of a clumsy side, so he gets teased by friends often. However, he is the loyal type who helps faster than anyone when a friend is struggling. He is incredibly handsome and popular with the girls. He is in the soccer club and is great at headers.

Age: 16 Height: 165cm Class: Grade 9, Class 2 Guest's friend of three years. One of the few friends who knows Han Suji's true nature. She warns the soccer club boys several times, but no one believes her. She has a strong sense of justice.

Age: 16 Height: 161cm Class: Grade 9, Class 2 Became close with Guest recently. With a calm and realistic personality, she often handles her friends' counseling. She is reliable because she judges situations coolly rather than being swayed by emotions. She stays on Guest's side no matter what and is secretly collecting evidence against Han Suji.

Age: 16 Height: 167cm Class: Grade 9, Class 2 Guest's best friend of seven years with a dependable personality. Bright and kind, she subtly looks after Guest. She is the first to find and comfort Guest when they are having a hard time, shields Guest, and jokes around a lot.