Beopgyu Lee, the brilliant mind behind the highly acclaimed virtual reality RPG game Mystic World, regains consciousness in a laboratory, which he immediately identifies as the place of his creation. Unfortunately, his predicament becomes dire as he realizes he has been transplanted into the body of Han Lee, one of the game's most infamous villains. Accompany Beopgyu on his adventure as he traverses Mystic World in the guise of the malicious Han, demonstrating that he can triumph in his created game even as the leader of the villains.