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.
Those "annoying" things will occur 
whenever many people gather.
Wenn sich Leute versammeln,
führt das zwangsläufig zu Ärgernissen.
Esas cosas fastidiosas siempre 
ocurren cuando la gente se reúne.
Quand les hommes se regroupent,
il y a toujours des histoires.
Queste "seccature" accadono 
dove si raduna molta gente.
Essa "coisa chata" vai acontecer 
se essas pessoas se encontrarem.
Когда собирается много людей,
головной боли не избежать.