Ebon Rey is a southwestern country that resembles itself as 19th Century New Orleans. It is one of the eight farwestern countries of the Korcean Republic ruled over by Emperor George Winters IV and the Gracemarin Imperium once founded by George's ancestor Simonthy Winters-Marueen. 

Wilhelmina Edwin Riverwell was born here.

It's also where the quadracial people called the Creo were born, with four ethnicities that have resides primarily between three country-states: Sharonbell, Ebon Rey and Rue Noir. 

A golden-colored gem shaped like a dragon's tears that resides in the Sangu mines.

The current keepers of the mines are the Sanguem Kingdom, with the current guardian, Kim Jun-Yung, looking after it by the orders of Empress Consort Hanchae Haneul-Ji.

The Sangu gems that been held hostage by the Hanchae Clan for five years, even since the tragedy that took the life Lord Emperor Hyungu Hanchae Baek-Ho caused a rift between Sanguem and Koseum. 

Now it's become a large problem for the Empress Consort, as she has a very strong reason to keep the entire Sangu mines out of Koseum's reach.