One Piece Sign-In System: From the Start, I Have the Mangekyo Sharingan

Reborn in the world of One Piece, he travels around the world and, before he knows it, has reached the pinnacle of the world.

Roger: "This man is a god among men. I can't compare to him!"

Whitebeard: "I'm willing to call him the strongest!"

Sengoku: "If this man does not die, the sky may fall and the earth may turn upside down in the future..."

Nami: "He's the most handsome prince in the world. My dream is to become his wife."

Nico Robin: "If there are devils in this world, then for his sake, what does it matter if I become one?"

The Empress: "The Celestial Dragons stand high above us, like gods? No! In his eyes, even the Celestial Dragons are ants, and he can kill them all!!"

Garp: "There is only one god in the world, and that is..."

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.