Umagoya Kurashi no Goreijou wa Angai Ryoushu ni Muiteiru?

Anastasia, a 10-year-old countess, grew up in a stable under her stepmother's orders. In a town she visits as an apprentice to a lord, she uncovers the evil of a merchant who has been conning the town by placing curses on its specialties, but the villainous merchant uses the power of the Chamber of Commerce as a weapon to close in on Anastasia! Meanwhile, in the capital of Raven Territory, the undead "headless knight" has been sighted, and is about to cause further turmoil--!