Shinigami in the Ninja World - Chapter 67: [Sponsored]: My Samehada!

Zhou Mu finds himself remaining in a single-player VR game despite having decided to quit after platinum-ing the entire game. However, he realizes that the world has completely changed. Realizing life in the game is better, he continues on with his in-game name, William Kane.

“Why is the world united under my name? And what’s with the religion that honors me as their god? The royals are claiming to be my descendants? Was there ever such a function in the game? What have they done for the past 1000 years when I was gone?”

Zhou Mu was completely lost.

“Are you calling me a traitor? Aren’t you guys the ones who have been doing evil deeds in my name? Behold, for you shall witness this lost forbidden spell!”

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again. 

Ling Xiao was a powerful martial expert who fell in battle and was unexpectedly transmigrated into another world. He began life anew in the body of a boy with the same name, a fallen genius of the Ling Family whose cultivation had been crippled in a surprise attack, and son to a father who had also suspiciously been crippled under similar circumstances. Armed with knowledge from his previous life, Ling Xiao aim to restore his strength and establish his place at the top of this new world

- Description from Novelupdates

The Gura Gura no Mi is known as the strongest fruit in the world of one piece.