Devil Returns to School Days is a brutal school revenge action webtoon that unleashes pure rage against bullying and injustice, following a once-weak student who is driven to despair by relentless abuse and betrayal, only to return to his school days reborn with the mindset and ruthlessness of a devil, using overwhelming violence, psychological domination, and calculated cruelty to crush bullies, gangs, and corrupt figures who once tormented him, transforming classrooms into war zones as the story escalates through savage fights, fear-driven power shifts, and moral extremes that blur the line between justice and vengeance, delivering fast pacing, raw emotion, and unapologetic brutality that strongly appeals to fans of dark power-fantasy and revenge narratives, also known as Devil Returns to School Days webtoon, Devil Returns to School Days manhwa, Devil Return School Days, 악마가 학교로 돌아왔다, school revenge webtoon, overpowered student manhwa, bully punishment webtoon, and dark school action manhwa.