Following the brutal Virtuous-Demonic War, the Demon Cult emerges victorious, seizing control of the world. But their triumph is shaken when the Cult’s vice-leader is assassinated in a sinister conspiracy. From the shadows emerges Ryeon-hwi Hyeok, Crown Prince of the Demon Cult. Determined to uncover the truth and avenge his brother, he infiltrates the elite Academy of Mirages. There, he crosses paths with Seol Bi, a hidden master from the Virtuous Sect, and as the two aid each other, their relationship begins to blossom… Follow Ryeon-hwi on his journey to conquer the murim and become the next Demon King!