Jeon Youngbin

18 years old. Byeoksan High School –> Jiseong High School. A school delinquent, but ranked 2nd in grades. Violent and despicable. He bullies other students using force. He is prideful and has a personality that looks down on others.

Young-i

Adult. Gilsu's subordinate. She appears to be a loan shark like the others, but she is also someone who had nowhere else to go. She values money and profit. She tends to act decisively when necessary. She possesses a sense of loyalty.

Jeon Seokdae

Adult. Gilsu's subordinate. He appears to be a loan shark like the others, but he is also someone who had nowhere else to go. Rough and aggressive. He tries to overpower opponents with strength. He possesses a sense of loyalty.

Gilsu

Adult. The type to use force and violence before emotion. He is skilled at intimidating and pressuring opponents. He prioritizes money and profit, choosing his own gain over loyalty. He exudes a threatening aura due to his extensive fighting experience. He acts alongside Young-i and Seokdae and is a major threat to Yeon Sieun, Ahn Suho, and Oh Beomseok.

Kang Wooyoung

18 years old. Jiseong High School. Weak against the strong and strong against the weak. Cowardly, despicable, and lacks responsibility, acting impulsively. He easily sides with those in power. He actively participates in school violence. He hates Ahn Suho. – He was defeated by Ahn Suho in the past. He is an active MMA fighter, creator, and internet broadcaster. He films content about 'punishing' thugs who brag about their fists. Friend of Jeon Youngbin.