One Piece: God of Space

At the age of fourteen, he inherited a dilapidated country from the older generation.
With his personal ability, in just a few years, this country has directly transformed from such a situation to a country that attracts attention.
How will he gradually become the master of the entire world? What are the secrets of the pirate world?
Not warm-blooded, dark-bellied, slightly cold-blooded.
(More than 8,000 words are updated steadily every day...)