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.
This isn't my style.
– Je suis pas un baby-sitter.
– Il faut voir le bon côté des choses.
Non è il mio stile.
Não é da minha conta.
— Это не по мне!
— Ой, да брось.