MTL - Pirates: Fire Dragon Roar - Chapter 100 sparring

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.

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

In Naruto world, the blood limit would grant the strongest power for those ninjas. But what if the Gura Gura no Mi is found in the world of Naruto And after it is eaten it will be like a blood limit power.

Well, the MC just took that Fruit.

This story begins before the second Ninja war by two years.

- Description from novelupdates

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power