Naruto: I Became Nazusa's Guardian Sister

She was an orphan of Uchiha. Her parents died at the beginning, but she was picked up by the Fourth Hokage as her own daughter. She became Naruto's only sister and Sasuke's cousin! A genius with five attributes that defies the heavens, a five-year-old chuunin + three magatama sharingan. He hid all his strength and just wanted to protect his family, but he watched his adoptive father and adoptive mother die on the night of the Nine-Tailed Night, a kaleidoscope of despair! He left the village seven years ago to become a Kage-level bounty hunter, spent another five years building the underground Dark Moon Pavilion, and reached the top five in the ninja world at the age of 17, just to come back and protect his two younger brothers! Concealing his top level strength and sneaking into Team 7, pretending to be an ordinary jounin to accompany Nazuo as he grows up, secretly torturing villains, breaking conspiracies, and saving lives! No Holy Mother, no frustration, crushing the whole process, watch the female killer sister's doting brother protect the village, change fate against the will of heaven, and ignite the ninja world!