Sakkon no Cinderella wa Kutsu wo Otosanai.

Right in the middle of a soirée, the noble lady Fredrica's fiancé calls off their engagement! Accepting his declaration with grace, she quickly excuses herself, filled with only one regret... She happened to be wearing worn-out panties that are about to snap! While they dangle by a string, she makes a dash for the changing room. But who does she bump into? None other than General Volker Brennan, the most famous and strongest knight in the country's history! (Source: MangaPlaza) Note: Chapter count includes 1 extra chapter.