Toaru Majutsu no Index: New Testament - Volume 1, Prologue: The People Who Became the Protagonists by Some Kind of Mistake. War?

“You nearly killed me in the past timeline and destroyed my life. Now that I have been given the chance to return to the past timeline, I will be changing everything and fight the future that was meant to be a dead end. Once we meet again, it will never be the same!”

When the only Virtual Reality game called Alternate World made the players gain abilities, the world changed drastically. The whole world undergoes a change of lifestyle, people started to manifest abilities, and playing the game became a job.

Manato Tsukasa, a player who is also one of the players of Alternate World was targeted by his enemies during the evening before his wedding and was almost killed in the process. Due to a certain encounter, he was allowed to gain a second chance to go back to the past and change everything.

With the chance to change everything and start from scratch, he decided to take advantage of all his knowledge and so that he can prepare to kill the person who ruined his life. And to start his vengeance against his enemy, he played the game again that didn't only change the gaming industry but also the whole world.

Travel to the world of pirates and become Belmer’s adopted son! Nami and Nokigo’s older brother! Liu Ye, has been planting oranges for five years!

One day, Liu Ye, who suddenly realized that he couldn’t go on like this, with the mentality of trying, meditated in his heart: “System?”

“I’m here.” A cute voice like classmate Xiao Ai rang.

Awaken the strongest clone system! Every time you level up, you can get a clone!

Absolute loyalty, not afraid of death, and able to upgrade through battles, improve attributes, and even directly buy various exaggerated magical abilities!

“To tell you the truth, the naval headquarters, the sea emperor of the new world, the master of the underground world, and even the top leaders of the cp0 and the revolutionary army, have my people.”

Before the war in Wano, Liu Yejin took Nami’s hand mysteriously, and said to Nami, “Don’t be afraid, no one dares to touch you with your brother’s backing.”

- Description from novelbuddy

I returned after 10 years.

Jian Chen, the publicly recognized number one expert of the Jianghu. His skill with the sword went beyond perfection and was undefeatable in battle, After a battle with the exceptional expert Dugu Qiubai who had gone missing over a hundred years ago, Jian Chen succumbed to his injuries and died.

After death, Jian Chen’s spirit was transmigrated into a completely foreign world. Following an extremely fast growth, his enemies piled up one after another before becoming gravely injured once more.

On the gates of death, his spirit had mutated, and from that moment henceforth, he would tread on a completely different path of the art of the sword to become the sword god of his generation.

- Description from novelupdates