Not an invincible-protagonist story. A steady-growth story that makes up for past regrets and brings peace to the ninja world.
Song Yang, who is terminally ill, accidentally merges with the consciousness of the Hokage world and finds a way to stay alive. He needs to select different people from the real world and send them to different eras in the Hokage world, where they must bring at least thirty years of peace to each era.
To stay alive, Song Yang gets to work.
A lucky anime fan is sent to the Warring States era.
A seasoned political operator teaches Hiruzen Sarutobi what politics really means.
A master physician shows you what true chakra control looks like.
A top scorer in the college entrance exams explains what a real genius is.
A mad scientist helps Orochimaru learn advanced science and technology.
A special forces champion demonstrates modern, unbeatable combat techniques in another world.
A stubborn young man who never gives up struggles to survive in the Hokage world.
A tycoon with a trillion in assets continues to make waves in the Hokage world.
See how the outstanding talents of the 21st century pacify the Hokage world.
The details are okay, it's the first time I've seen it written like this