Martial King's Retired Life - Chapter 14Book 15:

The future unfolded on a magnificent scale into the Interstellar Age. Humanity finally solved the space warp technology, but when humanity transported themselves into the other end, they discovered that place neither had a past nor future, nor was there any land under the starry skies……

Traveling through the world of One Piece and becoming Luffy’s brother, Monkey D. Summer, he followed the dragon around the revolution since he was a child.

Until the age of sixteen, Xia Xia left the Revolutionary Army, sailed alone on the sea, and recruited partners to form the Smile Pirates, out of control, the young and powerful Xia quickly entered the eyes of the Navy, and issued an invitation letter, making Xia a The youngest Shichibukai ever.

Warring States: After all, I paid the wrong person. I didn’t expect that the most vicious criminal in the world, Monkey D. Long, had his revolutionary ideas from Xia Xia. The most outrageous thing was that Xia Xia turned out to be your grandson, the bastard Karp. Sure enough, the source of all the chaos was you.

Karp: (*￣rǒ￣)

Crane: I didn’t expect such a smart child to be Karp’s grandson. It’s too surprising. Who would have thought that the most peaceful country in the world is actually governed by a revolutionary army. What a great irony, alas! .

Karp: ค(TㅅT)ค, Xiaohe, I’m heartbroken

Akainu: Compared with the pirates, Xia Xia, who has the evil blood of the revolutionary army dragon, is even more difficult to ignore. It must be solved as soon as possible!

Xia Tian: Oh, just rely on you rock dog?

Fly with one punch!

Kaido: Even me, under the iron fist of summer, I have to cowardly, this guy is simply not human.

Summer: It is necessary, but I want to become the existence of One Punch Man in the world of pirates.

Whitebeard: It’s really the back waves of the Yangtze River pushing the front waves. The title of the strongest man in the world has changed hands.

Summer: Hey, low-key, low-key, just a fake name.

(⑅˃◡˂⑅)

- Description from novelbuddy

Yao Tang, the daughter of the Yao family who mistakenly exchanged at birth, was finally found.

In a world where the interstellar era has brought both promise and disappointment, Michael Fang dreams of becoming a Lord in the mysterious realm.

He longs to explore ancient ruins of fallen civilizations and build a territory loved and supported by his subjects.
But his aspirations are shattered when he realizes that he is nothing special and just an ordinary boy in a world full of heavenly prodigies.

That is until he stumbles upon the Gate leading to the Origin Expanse, a mysterious realm that promises to change everything he thought he knew about himself and his destiny.

With newfound power and unwavering determination, Michael vows to turn his misfortune into opportunity, no matter how perilous the path is.

"Watch, and witness as I extract everything!"

Follow Michael Fang on his journey through the Origin Expanse as he battles through obstacles and enemies to achieve his dreams and become the Supreme Lord he was always meant to be.