Naruto: The Outsider's Resolve - Chapter 3.27 (086):

To this day, Associate Professor Li is still somewhat puzzled.Why has the Immortal Cultivation Realm changed so much in just a hundred years?Looking at the new Sword Sect elective textbook on the table, Li became more silent.[Chapter 1, Introduction to Sword Control Theory][Chapter 2, Maintenance and Care of Qinghe Series Thousand Machines Cruiser][Chapter 3, Postpartum Care of Sword-Toothed Beasts]......Closing the textbook, Li gave up thinking.But just as he was gathering his teaching materials to go to class, a brick-thick book was thrown in through the window.'You Let Me Enter the Sword Sect'Looking at this broken book, Associate Professor Li Guanqi recalled the afternoon he brought Zhang Ze into the Sword Sect.

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

”What is justice? What is evil? If given a second chance, I would no longer care about the opinions of others and only seek immortality.“With a cry to the heavens, Dusk Vale met his tragic end.But fate had other plans. He was granted a mysterious power that sent him back 300 years to the moment everything began.In this new life, he would live without concern for the judgments of others. No more restraint, no more hesitation — he would use any means necessary to achieve true immortality.What is the best villain? In my opinion, it is someone who does a lot of evil but is still considered a good person by some people. Someone who never really thinks about others but has many people who are loyal to him.Can one person defeat the entire world? Stupid, humans are born on the same level; surpassing one person is already not easy, let alone surpassing all of them combined. That is why Dusk will absolutely not act alone in this life.

Ye Hai traveled to the Marvel Universe, with a large scientist system, and IQ completely exploded all Marvel superheroes and rebels.

     “What is Iron Man? His steel suit is all my cottage! Tony, I seriously warn you that you have to pay me patent tax!”

     “The Hulk’s stuff is harassing me again, isn’t it just turning your ass red? But I have solved your problem of getting out of control, and a little sequelae should be.

     “Captain America, don’t always show off your shield, your shield is not unusual, I can mass-produce it!”

- Description from b faloo