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 didn't make any effort to come here.
Wir haben uns keine Mühe
gegeben, herzukommen.
No hice ningún esfuerzo para venir aquí.
Et puis, on n’a rien fait
pour mériter d’être ici.
Non ho fatto alcuno sforzo
 per venire qui.
Eu não fiz nada para vir para cá.
Мы не приложили никаких усилий,
чтобы попасть сюда.