Ninjas fight wars, while assassins fight killings.
Assassin's Creed gave rise to a profession called "Assassin" in this world dominated by ninjas.
On the battlefield, assassins wearing white robes, using hidden swords, and releasing ninjutsu have become the foundation for calming down troubled times.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
