Slave To The Enemy EmperorSlave to the Enemy Emperor; 적국 황제의 노예가; 되었습니다; The Emperor's Concubine

If you want to protect your country, you'll have to assassinate the emperor of the enemy country. Emperor Lan of the Northern Kites had plans to send a woman of wisdom, courage, and beauty as a princess to take down the emperor of the enemy country... But woman the enemy emperor wanted was none other than the haughty and impudent... Lan hides her identity and became a princess to directly assassinate the enemy emperor, Orhan.