"Don't you understand what would happen to the country if we treated the family responsible for national defense carelessly?"

Francesca Cles was suddenly declared to have her engagement broken off by the First Prince, her fiancé. The Cles family is a knightly noble house that gained its name through war. In order to repay their great debt to the royal family, they have defended against invasions from the neighboring country for decades, but their treatment by the kingdom only worsened, and finally even their engagement was disregarded. By the way, did you know that the war with the neighboring country still hasn't ended?