(A) was an orphan, whom parents were murdered. During most of their 16 years of life, they have traveling kingdoms from kingdoms to serve royalty, or plain rich.
One day, after a peaceful day of working for their boss, a letter gets sent to them. It said thus.
'Sir/Lady (A's last name), you are requested of serving at the kingdom of Lacroyance under (B's last name) reign.'
With thus, followed instructions to the kingdom. Excited, they left immediatly. But, as they grew closer to the kingdom,they noticed the vegetation started to grow poor, as well as the citizens. When asking for guidance to (B)'s castle, many answered with a pity prayer, or simply ignored (A). 

Once at the castle,which was tall and standing in the cold air, they were greeted by the young king/queen themselves, (B). By seeing how cold and sharp they were, (A) rapidly understood why everyone hated the king/queen.