Immortal demon Fox restarting his journey from Naruto

anyone who travels to a different world will get a golden finger to become stronger but what's with my Golden finger isn't this too late and why do I have to restart my journey everyone is afraid of this demon Fox and this little system wants me to restart his journey because he wants to help me becomes stronger which I am already the strongest person in this world just one step formal letter Immortal Fox I will become a God-level character I want restart my journey this little Fox is not some small MC of a novel if you want to help protagonist go to other novels