Rise of the multi Kage trained Ninja

When Naruto chewed out Kakashi for his favoritism at the hospital there was three kages who heard the argument, the Hokage, Onoki of the balance scales,and A the Yondaime Raikage and the second fastest Shinobi in the world. Onoki,and A decide to train Naruto for their own reasons. Onoki because of a peace accord,and A because he is Naruto's godfather. NarutoxHarem