Naruto: Toji Kaguya
In a world where the balance of power is constantly shifting, a young boy from the Kaguya clan is discovered by the legendary Sannin on their way back from a perilous mission. Left orphaned and alone, fate leads him into the hands of Orochimaru, who sees potential in the boy's unique abilities. Under Orochimaru's guidance, the child trains relentlessly, honing his skills and unlocking the true potential of his clan's bloodline.
As he grows, he forms a fierce rivalry and camaraderie with Kakashi Hatake, both emerging as the prodigies of their generation. Together, they face formidable challenges, from rogue ninjas to the looming threat of war. With each battle, the boy learns the weight of his choices and the consequences of power, striving to carve out his own destiny amidst the shadows of his mentor's ambitions. As they rise to prominence, they must confront their pasts, the legacy of their clans, and the dark allure of the path that lies ahead.
this is not toji fushiguro, he looks alike and has similar ways to fight, but he is not toji fushiguro and its not a resurrection o a self-insert, it's just another character who doesn't know anything about the future.