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.
I thought, if we expanded 
this canal, we might be able
Ich dachte, wenn wir diese
Wasserstraße verbreitern,
Creo que podemos traer cosas 
desde el puerto con más eficiencia
J’avais pensé qu’en élargissant ce canal,
nous pourrions acheminer
Pensavo che se espandessimo questo canale,
Acho que conseguiríamos trazer as 
coisas do porto com mais eficiência
Если мы расширим этот канал,
то сможем эффективнее