Backlight Dragon Age

The amnesiac boy was randomly transported to the Dragon Valley and was chosen as the successor by the Dragon Ancestor, shouldering the heavy responsibility of revitalizing the Dragon Clan. How about the Order of Light? How about Twenty-Four Cardinals? What about the charge of the Knights? My dragon physique can be whatever you want... Why does your magic chant take so long? How convenient is my native dragon language... You know, in the entire continent, we are the only ones with dragoons! This is the story of an alternative "villain" who leads the dragon clan against the cult...