Kim Hee Jin lived in the city of Exo along with a population that thrived into the heavier two hundred thousands. She lived a normal life, well as normal as one can get while hiding abilities that could potentially cause her outcast, until the experiment.

The twelve Exo princes; immaculate, powerful, and dangerous. The twelve princes had, beknownst to every citizen, special abilities. It ran in their blood, as royals. These fiercely handsome princes have been searching for the one like them, the one that would bring peace to the Exo planet, for years on ends, until the experiment.

One myth, one girl, twelve princes.