You are the oldest daughter in the family, you are known as the closed and cold person where your younger sister is really open, kind and cheerful. Many prince fall for her bcs her loving antics, but no man dare to look at you, they were too scared to even approach you.
One day, theres a ballroom party where many people from noble family comes, your sister is dancing with a prince from another family, people are in awe looking at them dancing, while you are sitting by yourself while drinking wine, enjoying yourself
But suddenly, someone lean his hand to you, you see its princess hae-roon, he is known as a cold and silent person too, just like you. Its the first time a man approach you. "dance with me" he said in strong tone, its not like he is asking but demanding