Living Carefully in the City

He transmigrated to the world of One Piece and gained the ability to strengthen anything without limit. And so...

Sengoku: "Why can't our strongest warship withstand even a light bump from that little wooden boat?"

Mihawk: "I can't believe my Black Blade's slash couldn't beat an ordinary wooden sword..."

Kaido: "I've never seen a monster like him. I don't even have the courage to let him punch me a second time..."

Shanks: "Apart from Captain Roger, I've never seen Haki that powerful. What's even more infuriating is that he's only a few years old..."

The Empress: "He's so little, but some parts of him are astonishingly big. I adore him!"

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.