Known as the fearsome 'God of Blackfield' for leaving a trail of destruction, Kang Chan's reign of terror ends with his sudden death during a chaotic battle. Resurrected three years later, he finds himself reincarnated as a timid high school student facing a new set of challenges: relentless bullies, dubious transactions, and romantic entanglements. Seeking vengeance takes a backseat as navigating the treacherous landscape of high school proves to be a formidable battlefield in itself.