(A/N Harry once sorry for the long update because I had a huge case of writer's block for this story if you guys have any ideas for the story please don't hesitate to message me or leave a comment so enjoy)
As Naruto reach training ground 3 he remembers what Bill and Kurama had said to him that if he ever wants to become a powerful, dream demon or a normal the process is long and it will take it up to a couple of months to be done, within the short time he started training. It wasn't long when Itachi and Shisui found Naruto training at a training ground, recognizing who he was, they both ask him why he wasn't training with his siblings, Naruto replied with a cold tone "Why would I train with people who ignore me and treat me like crap." They were shocked that Yondaime and his wife would ignore their own son made Itachi and Shisui's respect for them drop a lot. From that day forward Itachi and Shisui help with his training alone side Bill and Kurama whenever they could, it made Naruto happy to have friends he was sad he didn't have any his age but he didn't care for that fact for too long.
Itachi and Shisui took Naruto to meet their family who were typical Uchiha, Sasuke, Itachi's little brother, was as arrogant as Mito, Fugaku, Itachi's father, had the emotional range of a tea spoon, and Mikoto, Itachi's mother, was friends with Kushina so Naruto didn't really interact with her. Shisui and Bill there the offend the ones training Naruto since Itachi was in Anbu and Kurama was sleeping a lot and do to being sealed within himself there is nothing for him to boy but sleep.
Shisui taught Naruto tree walking, water walking, even a few fire jutsu that Naruto took to like a fish to water. As for Bill he was teaching Naruto the way of insanity to focus his demonic powers that lay doormen within Naruto heart and soul and flying too, but today Shisui and Itachi were both out on missions so Naruto was training with his father figure Bill Cipher and big brother Kurama as they reach to their training ground that was a few yards away from the Hokage Mansion behind the Hokage Mountain, Naruto already created 200 Shadow clones that his brother figure Kurama taught him it to him thanks to his huge chakra reserves, he pulled out scrolls that he copied from his father's library containing elemental jutsu, the Rasengan, and the Hiraishin. Naruto also plans to add his elements along with new demonic powers into the Rasengan and complete just to spite his father, Jiraiya, and Kakashi that he could do something they never could or will be able to.
"Get to work" Naruto said in the dark demonic voice Naruto tossing the scrolls to the clones. As for himself he brought up his right hand and bit into the Palm hard enough to bleed, letting the blood hit the floor making array out, of his blood than letting his big brother figure escape the seal, that once imprisoned him for many years.
As black smoke cover the training ground and has a large orange, fur figure comes out of the array it was big brother figure Kurama "Ah, it so good to be free to stretch my legs, now than Naruto why don't you do your exercises twenty laps, hundred sit ups, pull ups, and pushups since your clones only transfer back memories not muscle mass, while me and Bill get everything ready for rebirth as demon." Naruto nodded and head off to do his, exercises when he was half way through his exercises when he was interrupted by his father figure Bill and big brother figure Kurama "Naruto it's time for your Awaken, demon form you already mastered your demonic powers remember doing this process doesn't make your dream demon like me or a tail beast like Kurama it makes you into a demon based off your aura or your nature affinity you understand me Naruto." Naruto nodded he was ready form this to make his form family pay for ignore him and made him suffer. "Now time to see what your true form looks like my boy."
Kurama cutting his paw while bill cut his hand mixing both Bloods and their demonic Powers into a black liquid, "Naruto all have to do touch black ooze and bras yourself my boy." Bill said worry about his son while Kurama was worry for his little brother.
It might seem strange to see two powerful demons worry over a small boy, who had a harder life than anyone, maybe because they see themselves within him Naruto looked at the black ooze "it doesn't look dangerous." Naruto said, that's when black ooze jumped out of its container latching onto Naruto. startling him make him fall to the ground that when the ooze spreading over him. Now Naruto was freaking out trying to get the black ooze off of them but it kept spreading all over him now covering his entire body forming a black suit, it then covered his head making Naruto succumb to darkness.
Kurama and Bill only watch as they brother/son have to fight this and cover come his pain and fear by throw away his Humanity to be reborn as demon.