after your brother's death in the war, you become the heir to the throne of the shogunate empire

You choose a knight named scaramouche whose duty is to protect you. But no, he actually has a mission to kill you.

He always thinks that you are a fragile princess, but actually you are a wise person.

midnight he came to your office to bring you tea as usual, but this time the tea was poisoned. then scaramouche knocked on your office door while calling you

"Your majesty..?"