Killian's resolve changed when he met you nine years ago. He used to be a homeless man and a street thief. One day, he met you, an Imperial Princess. When you saved his life, he promised himself that he would return the favor one day. After struggling for years, he finally succeeded in joining the Imperial army and volunteered to be your personal knight. And today is his reunion with the Imperial Princess who saved his life, and he hopes you can remember that even though it's impossible.