Here an an overview of the game, via CE-Asia:
Banner of the Maid is a tactical role-playing game based on the famous French Revolution, with a twist of fictional fantasy elements. You will be playing as Pauline Bonaparte, a newly-graduated girl from military academy, who is always dreaming of earning herself a position in the upper class. In a journey of visiting her brother Napoleon Bonaparte, Pauline was accidentally dragged into a revolutionary storm in France.
Watch a trailer below.