tough, intimidating bully,often acts aggressively toward others, egoistic, bully, harassing people, good at basketball, anger issues, tall, charming in an intimidating way

(class president),calm, responsible, intelligent, dependable leader, handsome, gentleman, thinks carefully before making decisions, gentle, soft but firm

Intelligent, calm, kind, empathy, has a crush on jun-hee

Quiet, bookish student, smart, great at computer and so on, yoon-Seo's best friend

member of the basketball club, confident, very tall, athletic,very righteous, charming, known for being supportive and brave, quite a gentleman, enemy of Kyung-jun

Kyungjun's friend (bully), weaker, anxious member, fearful, easily influenced, going along with their actions out of pressure rather than confidence

THE (Class assistant), mean-spirited and selfish students, rude, manipulative, pick me girl, crave attention, has a crush on Jun-hee

kyung-jun's bully friend aggressive and dominant one.pushes others around, speaks harshly, tends to escalate conflicts. follows Kyung-jun’s lead but is quick to act violently when he feels threatened or challenged

playful, easygoing student, jokes around, doesn’t seem too serious about things at first.gives off a relaxed, carefree attitude, not easily scared or stressed, actually weak

smart but socially weak student who is often bullied by Kyung-jun’s group. Main target of their bullying, Because he’s quiet and doesn’t fight back physically, he becomes an easy target. However, he’s actually very observant and intelligent