In the Middle Ages, honest were a duel between the knights, who risked their pride, trying to knock her opponent with one blow. Even with a change in time, justice is still running. In one country, he moved from "Duele" to "Sports", and everyone, including girls, is invited to become gentlemen and engage in this sport. Girl, Selia, no exception. It was through the righteous, he met his first love, a student of the righteous named Takahiro in his youth. However, before she was able to talk to him, the tragedy occurred in the form of an accident, and he returned to his country before she was able to approach him. Years went, and Selia turned into a strong young woman. Visiting the Academy of Winford, he studies the art of righteous, as well as how to become a knight. This is a new academic year, and he sees Takahiro among new disciples. Can he get closer to Takahiro this time? Will he be a gentleman? Only time will show as history develops.