Reborn With The All Seeing Eye - Chapter 122 Silence...

Zhong Li, an orphan in the 21st century, was wondering how to collect the fees for his college study on the street, when he was suddenly hit by a car, which threw him into a river. An orphan’s disappearance would not bring too much attention to the world, but this accident gave Zhong Li another chance of living a glorious life in an immortal world. When he woke up, he found himself lying in a magnificent yet strange palace built of all gold, but had no door. An immortal claimed to be his savior and wanted to train Zhong Li with all of his cultivation methods, only because he was too lonely and wanted a disciple to keep him company. When Zhong Li finished his study, the master would tell him how to go out of the palace. Zhong Li never thought that the path to immortality would bring him to the fate of becoming a dragon.

- Description from Novelupdates

After rebirth, she, who used to be a top international spy, becomes the eldest daughter of the Fengs, a fat girl who is ugly and foolish in the eyes of the ordinary people.
Mastering Royal 18 Saber Moves and Purgatory 9 Palms, she rose to fame with the martial arts of Demon Cook.
Upon an imperial edict, she was ennobled as the wife of Lord Cen, and then suffered various intrigues and plots…
She proved herself to be a real overmatch and a true genius to the world…

The heroic person, with the ambition of the jackal, is a heroic person.

Astur Bader: The Brood of Alienation and Flesh, Lord of Death and Slavery.

When the two coexist together and wake up in the world of “ONE PIECE”, these heroes will rise together, and the magnificent sea will bury many bones. It is to become a pirate, to follow the current, to stand on the top of the tide; or to start from A tiny navy, hitting the water in mid-stream, conquering the wind and thunder of the four seas.

The pirate is realistic, the golden finger is the mother’s nest, similar to the nest of the interstellar zerg tyrants, and will gradually establish a base, the BOSS-type protagonist, does not follow the ship, and gradually climbs to the top by means of tricks, not smearing the straw hat group is only this, Enemy or friend only depends on the protagonist’s position at the time. There are right and wrong, but it is more beneficial. Realism is to create and restore the most real and cruel face of the pirate world on the basis of animation.

You can read it even if you haven’t read the original, it doesn’t matter.

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- Description from novelbuddy

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.