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Story:

Krad, the Demon King, is a shadow over the continent of Dominion. For thousands of years, he sat in his castle, waiting endlessly for a hero worthy of a final showdown. But after millennia of boredom, Krad stumbles upon human pop culture. Now, the absolute being with the power to destroy the world has a new obsession… and his favorite genre is—? Original Webtoon: Naver Webtoon Naver Series