'The Reincarnated', beings that threaten to break the peace of the world. Blessed with the transcendent power of cheat-like skills, they rampage freely, doing as they please.

A young boy, Rai Conwell, lost his family and everything he had when a reincarnated burned his village down. Drowning in despair, he swore vengeanceー"I will never forgive the reincarnated."

Years later, after undergoing relentless training, Rai becomes a Purge Knight, a warrior specialized in hunting down the reincarnated. With swordsmanship and physical prowess that surpass even their cheats, he completely overwhelms them.

Thus begin the counterattacks of the strongest young holy knight, fighting to protect the world's happiness!!