Naruto System in One Piece - Chapter 81

“Do You Believe In Magic?”Cha Jin-sung, a nineteen-year-old web novelist, is stuck in a rut after his popular story, Tales of Heroes and Demons, is abruptly cancelled. Battling with his failures, he receives a cryptic message from an unknown reader, offering him the chance to complete his unfinished story. But in a surreal twist, his response to the email leads him to an extraordinary situation—transmigration into the very world of his novel.In Meltonia, a fantastical world filled with mana and strange powers, Jin-sung now inhabits the body of a seemingly insignificant character, Kaiser Vanguard, who was written into the story out of pity.Jin-sung, now Kaiser Vanguard, uncovers a chilling realization: he must survive the events he wrote into his novel. With his soul merged with Kaiser Vanguard’s, Jin-sung must navigate the hostile landscape of Meltonia, where the stakes of his story have become all too real.As he struggles to survive and understand his transmigration, Jin-sung's main goal becomes clear: to finish the story he once cared for so deeply, now that it’s no longer just fiction—it's his reality. However, whether he'll be able to navigate the dangers of the world he created and reach a satisfying conclusion remains uncertain.This new journey will test his wit, survival instincts, and desire to complete the tale he left behind, all while facing the possibility of an ending far darker than anything he ever intended.

"What you do in life, Echoes in Eternity."

The System, who goes by the code name, Thirteen, defied the System God in order to give his previous Hosts’ the chance to change their Fates.

Unfortunately, he was killed by his Father, the System God, and was sent to the world of Pangea to struggle like the Cannon Fodders that he fought so hard to protect.

Armed with his knowledge as a System, Thirteen vowed to change not only his Fate, but the Fate of others whose destinies were tied up with him.

In a world torn by power and corruption, a fallen System will bring out a symphony of change, or lead it to its destruction.

In the year 3021 of the Western calendar, the last world war broke out and the earth was destroyed.
A group of survivors left their homes to settle on new planets. New races, new classes are born. Cities began to be built, countries rose one after another, conflicts between different races intensified, and social order was re-established…
The transformation from a survivor to an aggressor was but a moment.
This is a world where the strong are respected and the fittest survive.
Shang Ping was reborn from the earth in the 21st century to this planet. The moment he woke up, his fate had already begun to change.

Content Labels: Strong Soul Conversion Court Marquis Heaven’s Chosen
Search keywords: Protagonist: Shang Ping ┃ Supporting roles: Solan Edrich, Liu Xi, Austin ┃ Others: future time and space, battleship, interstellar war, rebirth, distant starry sky

- Description from novelbuddy

The Great Norther Wall. The Dragon Knights. The Lords of the Winter Mountains. The Descendants of the Primordial Dragon. These are the various titles of the Grand Ducal Clan Ragnar, which boasted a rich, thousand year history. Theo Ragnar resolved himself to aiming for the throne of that very same clan. ‘These cursed chains weren’t something I could slip out of. They were meant to be broken with strength.’