About 2,700 years ago, a power ruled uncontestedly along the Korean Peninsula. Despite this, all records of this single, cardinal ruler have been lost to time, with not even mythologies or folk tales surviving today.

However, legends don’t fade away that easily. Particularly not when they’re as persistent as Misoon, who has inexplicably revived her consciousness into our modern era. But, will her brand new vessel, Vivi Park, go along with her host’s plan to regain her power… or will she continue playing the part of the high school loser as she always has?