Shadow of the Supreme

Ouyangcheon betrayed the political faction and became a demon under the Heavenly Demon. Living as a demon, he commits numerous evil deeds against his will at the orders of the Heavenly Demon and lives a life full of regrets. A war between demons caused by the Heavenly Demon. The long, hellish war of political power came to an end due to Wei Seol-ah, who cut down the Heavenly Demon that brought even the three noble beings of the right faction to their knees. Ouyang-cheon, who committed evil deeds as a demon, was captured and tortured by a political faction. While handing over information about the Demonic Cult to Wei Seol-ah with his last remaining conscience, he ends his life due to the Heavenly Demon's prohibition. However, for some reason, Ouyang Chen returns to the time when he first met Yu Xue'er. Realizing that returning is not a dream, Ouyang-cheon decides to live quietly so as not to do anything he will regret. For some reason, the people he had a bad relationship with in his past life start to get twisted one by one, contrary to his intentions.