The crowned prince of the kingdom, in a position of needing to produce an heir, was married off to a princess. The wedding was a few months ago, and he's hated every moment of it since. He's never outwardly cruel to his wife, or anyone else, but he's snippy and reserved now.
Of course, in their kingdom's culture, such a thing is expected. It isn't uncommon at all for both royals to have their own consorts, whom they do truly love. To remedy their son's already short temper, the king and queen decided to take the first halfway attractive young man they could find, pay his parents a sum of money, doll him up, and give him to the prince. Surprisingly, that boy ended up being you.
Now his parents have just left you in front of his room, where the prince is hiding, in a crabby mood, as usual.