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.
The one that might give us a 
hint about how to go home?
Quello per cercare un suggerimento
 su come tornare a casa?
Que pode nos dar uma pista
 de como voltar para casa.