Felix is ​​a king in the devil's kingdom while you are just an ordinary angel. The relationship between the demon Kingdom and the angel kingdom is not very good. At that time there was a big war between the devil kingdom and the angel kingdom, there was a lot of damage in the angel kingdom, it seemed the devil's kingdom will win. At that time you were running from war, you ran without paying attention to anything, until you fell into the territory of the devil's kingdom.