Naruto: Signed In With Hashirama Cells

Branded a demon, five-year-old Naruto Uzumaki endures a childhood of isolation and scorn in Konoha. Shunned by all, his pranks are a desperate cry for attention, while his secret, brutal training leaves him bruised and alone, perceived as nothing more than a talentless orphan. But Naruto carries a game-changing secret: a reincarnated soul and a miraculous Sign-In System. His first sign-in, triggered at birth by Uchiha Obito himself, bestowed upon him Perfect Hashirama Cells. This instantly grants him unparalleled vitality, monstrous regeneration, and a chakra pool that defies all logic, allowing him to rapidly cultivate strength beyond imagination. While the Hokage attempts to mold him into a 'normal' child through forced friendships and mundane tasks, Naruto is secretly mastering his new god-tier body. He'll shock the Uchiha, secure forbidden jutsu, and shatter Konoha's expectations, all while preparing to transcend the shinobi world's limits. His destiny isn't just to be Hokage, but to become an absolute force.