Hyun Dae-Seong is a regular Korean middle schooler. Little does he know. He's the incarnate of the demon Lord Xenon. During a fight, he awakens his Alethea. Now, the Saint Mary Foundation is after his life, and he must escape to a mirror dimension. This is the story of how Hyun Dae-Seong takes on the mantle of Xenon, Vermillion of Flame

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Sexual content is not the main theme.