The Other Royal Boy

Set in the current timeline.

When the King of South Korea, Wang Baek Ah visited China to set a deal.

The Chinese Emperor offered his 'child-bearing' son, 14th Prince Qing Liuyen as a payment.

However, a year later, Liuyen's sister, Princess An, became a mistress of the Korean King. Which made it more hard for the Prince.

BXB