Kingdom - jiyoo au

where country used to have strict king, basically he was a tyrant and civilians were afraid of him. Now he passed away and his daughter is crowned as new queen. She wants to be better than her father. Her first step is making alliance with other country.

Ship: jiyoo & suayeon

That means:
an AU where new queen Jiu needs to learn how to show a mercy and love to own country and also is forced to have marriage with princess Yoohyeon.