Binbou Danshaku Reijou no Ryouchi Kaikaku - Koutaishi-hi Arasoi wa Gomen Koumurimasu

The crown prince declares, "I am going to marry the most beautiful woman in the country."

Despite being the daughter of a poor baron, Miriage is chosen as one of the candidates for crown princess because of her beauty.

If such a person becomes king, the country will be destroyed!" Feeling a sense of crisis, Miriage embarks on a territorial reformation to protect her people.
In the midst of the difficulties that await her, she falls in love with a man who is not the crown prince...

This encounter leads to an unexpected situation (⁉) the struggle of a poor baroness to reform her fief!