“Ron” found himself inexplicably in the world of One Piece, after he was hit by a speeding truck. Facing a life-threatening situation, our hero was rescued by the fourteen-year-old Nami. After discovering his capability of evoking an achievement system, Ron’s adventure in one of his favorite fantasy worlds has started.... more>>

Achievement: Small Fortune (Get 10 million berries)

Achievement: Self-Discipline (1000 hours of practice time)

Achievement: Berserker Mode (10,000 hours of practice time)

……

Nami said with dull eyes: “what did you say…fifth-level magic?”

“Yes! it’s called The Last Judgment.” <<less

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

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 two years before the second Ninja war. <<less

All Things of this World, Turn to Ashes, Flowing Blade-like Flame!... more>>

Crossing over to the world of pirates (the One Piece world), eleven years after Gol D. Roger's death, Roja becomes marine hero Garp's nephew and obtains the Sword Soul system, which lets him gain strength without limits and learn various skills.

Flowing Blade-like Flame (Ryūjin Jakka), Mirror Flower, Water Moon (Kyoka Suigetsu), Moon Fang Heaven-Piercer (Getsuga Tensho), Thousand Cherry Blossoms (Senbonzakura)……

Roja looked at Akainu in front of him and told him seriously
“If this sword descends, you may be roasted to death.” <<less

He doesn’t want to be wanted for bounty, or be a pirate, but if there’s no other choice, he can only become a pirate…..... more>>

Let the world turn upside down! <<less