This is a stack of letters placed on the table of the red mage. The sending place is somewhere in Doma, Ossad subcontinent, and the receiving place is somewhere in Kilabania.
In the professional literature of samurai nin, the characters are all named by their professions.
There will definitely be bugs. If you see them, just pretend you didn't see them. X
The Red Devil serves as a letterhead. . . (I'm sorry, Red Devil-san
Purpose: Uphold the righteousness of the samurai and kill evil!