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
Vol 2 Chapter 27: THINGS SUMMONED BY THE FLUTE
~ Postscript, and new book
Chapter 69 
Chapter 579: Side Chapter IV: Spatio-Temporal Netori