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.
From an adventurer's perspective,
Aus der Sicht eines Abenteurers
Desde la perspectiva de un Aventurero,
Pour un aventurier,
Dal punto di vista di un avventuriero,
Da perspectiva de um Aventureiro,
Наверное, в глазах авантюриста