The Ultimate Evolution - Chapter 2: Living with great joy, dying with no regrets

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

What do you do when your brother dies because of some entitled assholes? You go undercover.My real name? Clare. But at school, I’m Clause—just another guy blending in. Disguised. Watching. Yes, a boy. No, it's not an all-boys school—I'm just deep undercover, hunting down the bastard responsible for my brother’s suicide. Nobody—and I mean nobody—messes with my precious brother and gets away with it. They better pray I never find them, because when I do? Death will be a mercy, and trust me—I don’t do mercy.And as for the egotistical Alpha and the narcissistic Vampire Prince? They can go fuck themselves. I don’t do mates, I don’t do claiming, and I sure as hell don’t do them.

In a surrogate marriage, she married a powerful man with leg disease. “I don’t want a woman with a bastard baby.” Originally she thought it was a trading marriage, but she lost her heart and wandered around,then she left sadly.

Years later, a little cute baby who looked exactly like him slapped Mo Shen on the head. “Bastard daddy, who are you calling me bastard baby?”

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates