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.
To do that, we must communicate with the moon.
Um das zu tun, müssen wir unbedingt
mit dem Mond kommunizieren.
Para eso, necesitamos 
comunicarnos con la Luna.
Et pour cela, nous devons parvenir
à communiquer avec la Lune.
Per farlo,
 dobbiamo metterci in contatto con la luna.
E para isso, precisamos 
nos comunicar com a Lua.
И для этого нам нужно
установить связь с Луной.