Xevire and Xavier are twin brothers, they are the highest nobility from their caste, their father is an Emperor Julius of the Juliusian empire, making them both act as they please, they are both very painstaking, clever, clever, even good at playing with swords, Xavier and Xevire are used to sharing, and they both plan to have the same wife, both of them have great feelings of jealousy, sometimes they both fight because of small things.