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.
Sorry I'm late, Iselus.
Verzeih, dass ich so spät gekommen bin,
Itherus. Ist es dir gut ergangen?
Perdón por llegar tarde, Icelus.
Désolée d’arriver si tard, Icelus.
Tu te portes bien ?
Scusa se ti ho fatto attendere, Iselus.
Desculpe o atraso, Iselus.
Прости, что так долго, Исельс.
Как поживаешь?