Rise Of The Worm Sovereign - Chapter 11 - Explosion?

Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System.

Going back to the beginning of 2006, he became the head coach of Real Madrid. All of his men are superstars with great reputation in the world, such as Ronaldo, Zidane, Raul, Beckham, Casillas, Carlos, Ramo. Si… all of them are ruthless characters who can make the world football tremble by stomping their feet.

How can a humble rookie train these rebellious superstars?

- Description from novelbuddy

One day, Katsuragi Daichi and his classmates found themselves in a different world. The god who summoned them to another world divided its power and gave it to them, saying that it wanted Daichi and the rest to defeat the Demon King as heroes. However, Daichi alone was given no abilities. And sure enough, Daichi was thrown away and used as a decoy in a demon’s den. Eaten by a demon, Daichi had lost consciousness and thought he had passed away, though when he came to he noticed his statuses had skyrocketed. He had obtained『Revenge of the Resented』. Every time he died, his abnormal ability powered up.

In the continent of Chang’an humans had lived as livestock and slaves to the Primordial Beasts. These beasts were ferocious, bloodthirsty and overwhelmingly powerful, but even so, the humans managed to prevail in the face of despair.