A Royal Arranged Married (English Fanfic)

"No! I’m not going to marry him.” I immediately stand up. I couldn’t believe it. They told me that an alliance was made between China and Korea. It’s not that what bothers me. It’s the solution that bothers me. Are you kidding me? Marriage? In order to have an alliance I have to marry the Prince of China? Hell no! Never in a million years. -Seohyun

Seo is a South Korea's Princess. One day, her father the King told her that an alliance has been made between South Korea and China as both countries were not in a good term. But in order to validate the alliance, Seohyun has to marry one of the China's Prince. Of course she doesn't want to as she have a lot of goals to achieve first before she tied the knot. And as any princess, she obeyed her father because she is a filial daughter.
So the problem is now, which princes is she going to marry? The Crown Prince or the Spare Prince? And how she will live as a 'wife' of a stranger?
Let the truth to be unfold in
'A ROYAL ARRANGED MARRIAGE'