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 to make you do this when you're tired.
Perdona por pedirte esto 
cuando estás tan cansada.
Je m’en veux
de vous avoir demandé une telle chose.
Scusa se ti faccio stressare 
quando sei già stanca.
Desculpe te incomodar com 
isso quando você está cansada.
Прошу прощения, что отвлекаю,
когда ты так устала.