Wolf of the Blood Moon: A Blood Magic - Chapter 36Book 6:

For unknown reasons, he finds himself transported to a parallel world's Japan, unexpectedly taking over the body of a soon-to-be high school student who had died accidentally. Surprisingly, he did not inherit any memories. However, the first challenge he faces upon arriving here is a language barrier...Just as he struggles to communicate with his new family, a heavenly voice arrives: the black technology system has been activated, and the initial item—translation konjac—has been distributed.This is the story of someone with above-average intelligence but almost no physical strength in the Classroom of the Supreme Power.

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.

Joseph Knox, one of the most prolific and well-known serial killers on the planet.A person considered so demented and manic that even trying to reason with him was believed to be a waste of time. A man so far gone that he seemingly didn't deserve any pity even on his deathbed.So why? Why would a man like him receive a second chance? And why did the world around him seem so familiar?Disclaimer: AU when it comes to some parts of Madara's plan(I'll try to make it make sense at least), and aliens don't exist in this world

Li Ya crossed the United States to become a high school student in Kansas, and accidentally acquired the friendship system.

The so-called friendship system is to improve the friendship value with friends, so as to obtain skills cards with corresponding capabilities.

“I got the star descent from Superman, the speed from the Flash …”

“From Batman … Um, why is the superpower obtained from the master rich? Why is it obtained from Thor? Hammer? Hammer?”

“I’m not targeting anyone, everyone here is … all my brothers!”

PS (PS: The DC world is in the front of this book, and Marvel, the parallel universe is in the back.)

- Description from uukanshu