Republic Reborn: Against the Stars and Stripes - Chapter 1: Vietnam?

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

“Save the world? Yeah, that's gonna be a no from me.”Noah had it all. He was one of the youngest billionaires in the world, tall, handsome, and usually had his pick of women.Life was perfect... until he was summoned into another world to defeat the Demon Lord.Unfortunately for Camelot, Noah couldn't care less about being their hero. All he just wants to do is go home. But the ritual home demands blood, power, and sacrifice. And if the world must burn so he can leave it, so be it.With the power of the abyss running through his veins, the dark dragon marches forward.“Your fate is bound to this world, hero. No matter what you do, you shall save this land.”“We'll see about that.”

In a world where six once-allied nations now stand divided, the kingdom of Myralis, a symbol of self-sacrifice, has fallen into oblivion. Centuries after its mysterious downfall, Caelum, the last disciple of a forgotten deity, embarks on a perilous journey to restore his nation's honor.Guided by the enigmatic teachings of his vanished mentor and armed with the legendary Seal of Abnegation, Caelum must navigate treacherous politics and face champions from rival kingdoms in a deadly tournament that will decide the fate of the world.As ancient secrets resurface and alliances crumble, Caelum discovers that every truth hides a lie and every ally could become an enemy. His quest could either unite the Six Nations—or precipitate their destruction.Will he master his heritage and fulfill the prophecy that marks him as Myralis’s savior, or will his choices doom the world to chaos?

Mu Fan travels to the world of pirates.

Become the youngest and strongest Rear Admiral in naval history!

Because of dissatisfaction with the Tianlong people killing civilians, the Tianlong people were killed in anger at the beginning.

Then became a naval traitor and opened the supreme selection system.

The world government angrily sent two generals to hunt them down, but Mu Fan managed to escape.

……..

After escaping, Mu Fan met the pirate queen, successfully won the queen’s heart, and married the world’s most beautiful woman.

Time to come to the top of the war.

Mu Fan made a strong debut, and the entire navy was shocked!

Admiral Warring States: “Why did Mu Fan appear here, and why did he become so powerful?”

The Four Emperors White Beard: “Gu la la la, the Warring States period, your navy is really blind, a monster like Mu Fan was actually forced by you to become a navy traitor?!”

…

Mu Fan brought the empress: “Today, I, Mu Fan, will be the emperor on the top of the sea!”

Empress: “As expected of a concubine husband, so charming, oh!

Concubine fainted~?(???*)o”

————

(The new book by the old author of Pirates, the quality is guaranteed, I wish you a happy reading!)

- Description from novelbuddy