Naruto: The Tale of Senshi Uchiha

Indra and Ashura have reincarnated many, many times, but why never Hagoromo? Hagoromo watches over the world, then sees a child prodigy with the qualities of a hero. Choosing this boy, he makes the child his successor and sets him up to be the new Rikudo Sennin. What will change? Let's see.