Prince of the Dragons (Highschool DxD fanfiction)

This story is about a boy that is born from a devil bloodline and he is born with a legendary sacred gear. Akihiko Yusha is the third lost heavenly dragon. He meets a group of Devils and joins them. His fate is to defeat the other two heavenly dragons. Akihiko has to avoid being close to his destined enemies.. But will he succeed on that? Find out soon.