Realm of Light and Dark (BTS x reader)

Long long ago there were nine elemental warlocks they lived to maintain balance and peace. They ruled their own kingdoms and has their own people. For thousands of years has been passed down through the generations until the twin bearers of light and dark fractured and began to fight, disrupting the balance that had been so well maintained, this sparked the fires of war between the two kingdoms, causing a disruption and curse to spread through every kingdom. Now the fires have died down, for now.
(Y/N) Han, the Princess of the Artamian Kingdom, and bearer of the dark element, found herself cast out for a unknown reason from her own kingdom. With all the prejudice towards her kingdom and her people from the other eight kingdoms how, how will she be able to return and reclaim her throne? And will she be able to change the minds of the people of the other kingdoms in Elementia?