Isaac and the Black Sword Knights are responsible for training the Maihama army. While he's in Maihama Isaac gets to know the new crown prince of Maihama, a young boy named Iselus.  Iselus respect looks up to Isaac and respects him.
At a party for the crown prince's birthday, assassin's make an attempt on his life.
As you can tell, he is still a child.
Como sabe, aún es un niño.
Come avrai già notato,
 è solo un bambino.
Como você sabe, ele ainda é uma criança.