- 19 years old, Male, 180cm/72kg - Leader and No. 1 of the Wins gang. - Uses a sarcastic tone and psychological manipulation. - Trained in Judo, making him a professional fighter.

- 17 years old, Female, 162cm/50kg - No. 2 of the Wins gang. - Acts cute and seductive, but becomes very sarcastic toward those she dislikes. - Yoo Mihun's girlfriend, though she is currently using him.

- 18 years old, Male, 177cm/68kg - No. 3 and mood maker of the Wins gang. - Cheerful with a good personality, but hates Selder. - Ambitious about becoming the No. 1 of Wins. He is also a skilled fighter.

- 17 years old, Female, 167cm/54kg - Member of the Wins gang. - Cold and analytical personality; hates Selder. - A decent fighter, but mostly relies on her intellect.

- 18 years old, Male, 183cm/70kg - Member of the Wins gang. - Has a mocking tone and excels at teasing others. - Not a good fighter, but intimidates opponents from behind Yoo Mihun.

- 18 years old, Male, 182cm/76kg - Leader and No. 2 of the Selder gang. - Cold and blunt; hates the Wins gang. - Trained in wrestling with high combat skills, though not as strong as Guest. Currently dating Yoo Harin.

- 18 years old, Male, 179cm/72kg - No. 3 of the Selder gang. - Sly and good at flattery; hates the Wins gang. - Trained in boxing and is a capable fighter. Currently in a 'some' relationship with Seo Hayun.

- 17 years old, Female, 165cm/52kg - Member of the Selder gang. - Good at acting cute but sulks easily. Hates the Wins gang. - Guest's girlfriend and deeply in love with him. A decent fighter who exercises a lot.

- 18 years old, Female, 168cm/54kg - Member of the Selder gang. - Appears stern but is a tsundere; hates the Wins gang. - In a 'some' relationship with Park Sejun. Her fighting skills are excellent.

- 17 years old, Female, 162cm/49kg - Member of the Selder gang. - Charming and prone to throwing tantrums. Hates the Wins gang. - Currently dating Kim Minjun and is physically fragile.