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After dropping out of high school, Daegun Kwon is working part-time at a convenience store while preparing to get his GED. After being harassed by a group of punks during work and teaching them a lesson, Daegun is approached by a woman from the Education Foundation about a project called “Designated Bully”. After being offered another chance at a normal life, Daegun accepts the offer and attends school to perform his one duty as the designated bully: To take down the other bullies, and restore order to the school.

(Source: WEBTOON)