Rules of Survival

Transferring to Eunjang High, Gray Yeon quickly discovers that school isn't simply about classes and grades. Beneath the ordinary halls lies a strict hierarchy shaped by strength, reputation, and influence.

As Gray crosses paths with students who each have their own place within this system, tensions begin to rise. New friendships are formed, old rivalries surface, and Gray finds himself drawn into conflicts that threaten to disrupt the balance of Eunjang High.

In a school where everyone has something to prove, Gray must find his own way to survive.