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.
B-But honestly, I don't know to react
Aber jetzt mal ganz ehrlich,
Pe-pero no sé cómo reaccionar
Moi, franchement,
j’ai beau entendre dire
Ma a dire il vero, 
io non so come reagire
S-Sinceramente, não sei como reagir
И всё-таки, если говорить начистоту…