A countess who makes extraordinary inventions using mysterious knowledge learned from a horse causes a revolution in her territory!! Anastasia was born as the daughter of the second wife of the Raven Count family. However, after her mother passed away from illness, she was ostracized by the rest of her family and forced to live in a horse stable. Soon after, the Count's family was arrested and deemed unfit to be lords due to the tyranny they had imposed upon the people of the territory. Since Anastasia was the only one who had been placed in such an unfortunate environment, she was cleared of any wrongdoing. When an auditor visiting the territory met her, he was completely stunned by her eccentricity!