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'm not worthy of it.
Ich bin dessen nicht würdig.
Lasst uns gehen.
No soy digno.
J’en suis encore indigne.
Partons.
Non vale la pena.
Não sou digno dela.
Не годится. Пойдёмте.