I’m Naruto! I Really Want to Change Everything!

[Reborn] [Aside from Danzo, many characters in this story may be good people. If that's not your cup of tea, please don't read it.] [Other timelines may intrude, or timelines may overlap.] On the eve of being sealed away by Kawaki's Daikokuten, Naruto Uzumaki was suddenly guided back to the past by a mysterious power, the System, and gained knowledge of the entire Hokage storyline. "This time, I won't lose anyone!" "So what if they're Otsutsuki? I'll gain the power to protect everything, to protect this Ninja World." "Come on, no matter which world you come from, even if you're another version of me, I'll protect this Ninja World!"