Designated Bully is a web novel about a high school student named Kim Woojin who is bullied and ostracized by his classmates. After a mysterious system appears, he is given the role of "Designated Bully," which forces him to fight and defeat his tormentors to gain power and rewards. The story follows his journey as he transforms from a victim into a powerful figure, using the system to get revenge on those who wronged him. Readers enjoy it for its satisfying power fantasy, intense revenge plot, and the protagonist’s progression from weak to dominant.