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As the grandmaster who founded the Demonic Sect, Wei WuXian roamed the world in his wanton ways, hated by millions for the chaos he created. In the end, he was backstabbed by his dearest shidi and killed by powerful clans that combined to overpower him. He incarnates into the body of a lunatic who was abandoned by his clan and is later, unwillingly, taken away by a famous cultivator among the clans, Lan WangJi, his archenemy.

The story of three Koreans inside a novel!
Young-hee, a high school student who became the main character in the novel she was reading, escaped the original route from the beginning because she was not confident of becoming the future empress.
One day, when she was living quietly in the neighboring country, she happened to meet Chul-soo, another person in the same situation like her.
Those three want to go back to plan to return to their original world