Time Gate: Luffy from the Five Emperors Era Appears at Marineford from the Start

This is a world where everyone has the ability to open a time gate.

Outside the walled cities lurk terrifying beings that threaten humanity.

If someone can enter a powerful world plane and successfully send its characters back in time to make up for their regrets,

they can obtain that plane's abilities.

Lin Xingyu activates the System and chooses the One Piece world from the start.

Using Luffy, he rewinds time and changes the course of his life.

He returns to Marineford and saves Ace.

At the same time, powerful figures like Roger and Shanks are also summoned by Lin Xingyu.

They reign supreme at Marineford.

Divine Departure slays an admiral, Ace and Sabo unleash their Twin Flame Emperors, and Law wipes out Doflamingo.

He summons Roger and Whitebeard to storm Onigashima.

After successfully rewinding time and returning to the original world, he obtains Devil Fruit abilities.

Second world: Demon Slayer. He helps Tanjiro go back to the Mugen Train and save his big brother.

Third world: …

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.