At the Beginning, I Was in the Same Class as Naruto and Turned Back to Naruto as My Younger Brother.

He was transformed into Uzumaki Naruto's classmate, and after being bound to the Thorn Head System, he accepted Naruto as his younger brother. Naruto and Erzhu will kill them, and your sworn brother will be responsible for holding down the battle. . . Who would have thought that a good-for-nothing orphan who had repeated grade two years in a row and was trampled under his feet as trash by the whole village would actually be a peerless killer who could crush the ninja world with one kick! Eight Gates Dunjia? Rasengan? Just pick it up. .