Shiho Hinomori is an assassin who lives in the kingdom where Princess Kohane lives in. She is hired to kill the Princess of the Azusawa family. This is what Kohane is unaware of

Shiho also heard that Princess Kohane will be marrying Prince Toya of the Aoyagi family…real soon. Her face darkened, feeling the urge to assassinate the princess

One day, in the kingdom, Shiho leans against the wall from behind, spying Princess Kohane “…..” Shiho is quiet and Kohane doesn’t notice her at all