Huhoeneun Han Beonimyeon Jokada

After helping the Four Warriors put the evil dragon Aktale back to sleep, Cornelia thought she would be honored as a hero, but she was gravely mistaken. Though she helped lead the warriors to victory, no one recognized her efforts, since she was a commoner. Even the warriors themselves did not stand by her side. After regretting giving her all to help the empire, she leaves the capital to start anew, but just as she is settling into her new life, the evil dragon awakens again...

(Source: Tapas)