Naruto Uzumaki-Namikaze: Rikodou-no-Sennin

After saving the Shinobi World.. Everyone had betrayed him.. Seeing how powerful he was..he decides to leave the Elemental Nations..Until Kami-sama aka Amaterasu.. decides to intervene and tell him that there's another world..and so he decides to go back to Uzushiogakure-no-Sato and there he found a secret ninjutsu.. a Forbidden sealing Jutsu..named "Dimensional Rift Jutsu''..and he activated it..and opened up a portal to the dimensional gap wherein Great Red and Ophis the Ouroborus Dragons inhabit..