Naruto System in One Piece - Chapter 511

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.

As the head disciple of the number one sect in the world, Luo Jianqing had a brilliant reputation. He was the most respected senior brother of his junior brothers and sisters: the last disciple of the cultivation world’s number one cultivator, Luo Jianqing greatly respected his master’s teachings, not crossing his limits by even half a step.

Afterwards…… he was stabbed to death just like that by the main character with his sword. His master’s sword.
Luo Jianqing: “……”
The heavens wants me dead, yet I refuse to die! See if the will of the heavens is more fearsome, or if the will of my sword is more stubborn!

Wu Yin: “Jianqing, I have something to say to you.”
Luo Jianqing: “Master, I also have something to say to you.”
Wu Yin: “… you speak first?”
Luo Jianqing: “You speak first.”
Wu Yin: “I like you.” / Luo Jianqing: “I want to top you.”
Wu Yin: “……”

- Description from Novelupdates

Travelling across a different dimension, you have become a noble who has fallen from grace. With the help of a proficiency panel, you can start your liver experience using the ancestral breathing method used by knights. Let us embark on this bizarre and mysterious journey and follow this wizard’s steps one by one.