To take back the castle, a high-minded female knight scrifices her body
The castle is taken over, her virginity which was supposed to given to her fiance was taken away, and the female knight was captured as a slave.
She has to sacrifice her body to escape from an enemy base and take the castle back.
Sometimes she disguises her self to a prostitute, sometimes to seal a mouth she does…
Take back the castle, take revenge on the person who took her virginity, and take back her own pride as a knight!