(Before we start, I'll have to inform you first that I used little to no events used in the actual anime. Happy reading!:3)
After both Madara Uchiha and Hashirama Senju died they met eachother in an unknown plain, everything was white. "Where are we?", Hashirama asked. "Is this the afterlife?", Madara then asked.
"Indeed it is.", a figure said behind both of them, it was Hagoromo Otsutsuki. "Both of you are dead and are in the afterlife right now." "Are you...the Sage of the Six Paths?", both of them questioned. "Yes, my name is Hagoromo Otsutsuki, I am the founder of shinobi.
"So...why are we here, meeting you?", asked Hashirama. "I'm here to make a deal with you two.", the sage replied. "A deal?", echoed Madara. "Before we talk this deal, I need to tell about my 2 sons, Ashura and Indra.", the sage said. Hashirama and Madara then looked up at him to listen. Hagoromo finally began, "Back then, I had 2 sons, the younger one named Ashura and the older one named Indra. Since the very beginning, Ashura was unskilled, he couldn't do anything on his own, he possesses my boyd, which gave him remarkable stamina, whom he shared with his descendants, the Senju. He needed the help the others which made him believe that love was the key peace. On the other hand, the older son, Indra, was extremely skilled, he possessed my Sharingan and chakra, whom he shared with his descendants, the Uchiha. He was very independent which made him think that power can achieve anything, even peace. This was an idea he shared with my mother, Kaguya Otsutsuki. When it was the time to choose a successor between those two, I came to believe that both power and love was necessary in leadership, so I chose Ashura as my successor and wanted Indra to work alongside, I thought that if Indra's extreme power and Ashura's undying love would be able to pave a way towards peace, but I was wrong. Ashura being chosen as successor made Indra very angry, so he and Ashura kept on fighting, even after I died. Then they both realized that their fighting would still extend after their deaths, so they decided to reincarnate in future."
"But what does that have to do with the deal?" Madara asked, still confused. The sage narrowed his eyes, "Both of you still don't get it?", the sage asked. "My sons reincarnated again and again, never stopping, their incarnations kept on fighting, never working together. An example of this is you and Madara." The two friends were shocked, "What do you mean." "My sons reincarnated into you two, with Hashirama as Ashura and Madara as Indra." "So what's this deal about?" "Since you two are already dead, Ashura's and Indra's soul have moved onto new hosts, the deal is for you and Madara to watch over those 2 new incarnates until they grow up. I don't want Ashura's and Indra's cycle of hatred to continue any longer
"So who are they?", Hashirama asked, interested. "Naruto Uzumaki-kun as Ashura, Hashirama, you'll be the one to take care of him", the sage replied. Then there appeared the face of a smiling young boy with spiky blond hair and 3 whiskers on each of his cheeks. "He looks interesting.", Hashirama said, smiling back at Naruto. "He is.", the sage agreed. "He is the current Kyuubi's jinchuriki, it was sealed inside him by his father, Minato Namikaze, the yondaime. He has mother named Kushina Uzumaki who was really close to your wife, Mito Uzumaki. They both died saving Naruto and the village from the Kyuubi's attack. Naruto only has his mother's last name, since he can't be known as the yondaime's son. The only people who know about his parents are the Third Hokage and the Village Council. The village often fears him as the demon himself and mocks and alienates him in the village, he doesn't about that incident himself. And just like Ashura, he's unskilled, but I believe that he would be able to befriend the Kyuubi to attain remarkable power. So Hashirama, I want you to watch over him." Hashirama nodded.
"Next up we have Sasuke Uchiha-kun as Indra, Madara, you will be the one to take care of him." Then again, a face a young boy with spiky bluish black hair and bangs appeared. "He really looks like Izuna." said to himself. Hashirama looked over at Madara with sad eyes. "Just like Indra, he is very skilled. In fact, he's the rookie of his class. He has an older brother who's no different, Itachi Uchiha, just like his younger brother, he was a prodigy, one you see in a thousand years, he joined the ANBU at the age of 11 and mastered the clan's signature 'Great Fireball Technique' at a very young age. The Uchiha Clan is going through rough times right now, they are planning to create a coup d'état, and Itachi, as an ANBU, he has to choose between his clan or the village, his love for Sasuke is almost as strong as your love for your brother, Madara. Back to Sasuke, he's in the same classroom as Naruto though he barely thinks of him as a friend, and Naruto rather thinks of him as a rival. You two will also try to make them friends, any questions?"
"Yeah, how do we approach them? We're dead." Hashirama asked. "Simple, you will appear to them as ghosts, only they can see and hear you, since your souls are connected. Now that that's finished, until you return to the afterlife, you two will take care of young Naruto and Sasuke. Am I clear?" Both Hashirama and Madara nodded. As soon as that happened, a beam of light appeared and as the light faded, Hashirama and Madara appeared in the real world, though no one could see them.
"This place brings back so many memories.", Hashirama excitedly said, viewing the place. So that's what the yondaime, Naruto's father, looks like, thought Hashirama as he stared at the Hokage Rock. Madara scoffed, "I'll go find Sasuke-kun while you find Naruto-kun okay?" "Sure!", his friend happily replied.