The Paramount War: I, the Saitama Cosplayer, Have Arrived

Carl transmigrates to the world of One Piece and is rescued by the Whitebeard Pirates.

To repay the people who saved his life, he awakens Saitama's training regimen and decides to keep a low profile while training with the Whitebeard Pirates for three years.

The Summit War breaks out. When the Whitebeard Pirates contact him, his three years of training have just ended, and he has broken through his body's limiter.

During the Summit War, Whitebeard is under fierce attack from the Blackbeard Pirates and is close to death.

Just then, a bald figure drops from the sky.

"I, Whitebeard's vice captain, have arrived!"

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