One Piece: From the Start, I Took Over Luffy's Body and Grew Stronger by Spending My Lifespan

[Power fantasy + ruthless protagonist + fast-paced + calculating + life-for-draws System]

Spend lifespan to draw all kinds of cards and boost your combat power and items.

Kill enemies to gain lifespan in return.

He was a web-novel superstar in 2025, but after suddenly falling unconscious, he transmigrated to the world of Pirate King and became Luffy, a man with the same name.

He found himself in a pirate world full of danger, where the strong prey on the weak.

Just as Luffy was overcome with despair, he awakened the [Life-for-Draws System].

He obtained Attribute Cards, Copy Cards, Resurrection Cards, Repair Cards...

To avoid becoming someone else's reincarnation vessel, he gambled his lifespan to grow stronger.

Unfortunately, people had already figured out he wasn't the original Luffy.

He was hunted everywhere he went, and he killed his pursuers along the way, forging an immortal body.

When others saw pirates or enemies, they ran. He charged straight at them.

He usually didn't provoke anyone, but if someone picked a fight with him, he'd hunt them down no matter how far they ran.

Luffy smiled and asked Kaido, “Would you like to be my slave? No? Then you'd better die.”