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.
What's the best choice, I wonder.
Ich frage mich, was die beste Lösung ist.
¿Qué será lo mejor?
C’est dur de savoir
ce qui est le mieux…
Mi domando 
quale sia la scelta più giusta.
Qual será a melhor escolha?
Интересно, как будет правильно?