From an adult's perspective, Nagoya struggled through the thrilling world of Naruto, and step by step became an elite jounin of Konoha... But he could never forget the trauma in his heart. He learned to hide it, and if he made the slightest mistake and was of low strength, he would be beyond redemption. Finally, on the eve of the Night of the Nine-Tails, he opened his own path to advancement. The elite Jonin only had a combat power of 62!
Sarutobi Hiruzen: Natsu is my most outstanding apprentice, and I am very relieved to have him as Hokage.
Danzo: What, Natsu broke my plan once. Damn it, how can a brat with no courage be so strong?
Minato: I resigned and went home. Just when I wanted to take care of my family, I was dragged into invading another world. It's unreasonable.
Others: Na Ke is strong and the leader of the ninja world.
Some settings have been changed in Ninja World. The plot and characters are more consistent with the original work. The title of the book is called Ninja World Expansion. Some things will be added in the future, I hope you like it.