OC was transmigrated into the world of Naruto in a body of a half Uchiha and half Uzumaki named Kazuki, but he is discriminated due to being a half blood, watch his journey in the world or Naruto.

Sixteen years ago, the Nine-Tails attacked Konoha, and everyone believed the infant daughter of Minato and Kushina died. But Ayame Uzumaki survived, secretly raised in the Land of Iron by a retired ANBU. Now sixteen, she returns to the Hidden Leaf under a false identity, tasked by the Third Hokage to observe her younger brother—Naruto Uzumaki, who has no idea she exists. As Ayame joins missions alongside Team 7, her chakra chains, sealing jutsu, and mysterious presence draw attention. Torn between her duty and a growing bond with Naruto, Ayame faces enemies from her past and the secret she’s hidden all her life. When her identity is finally revealed in the heat of battle, Naruto must come to terms with a sister he never knew. A story of family, forgotten bonds, and the strength to break free from the shadows.