The Fourth Calamity: Descending Upon the World of Pirates

From the start, he gets the Fourth Calamity System! He transmigrates to the world of One Piece and replaces the bandit king Higuma!

He summons players from Earth, and from then on, a mysterious organization appears in every world.

Momonosuke: "Why do you keep beating me up? What did I ever do to you?"

Players: "Because you've got cough syrup!"

Sengoku: "These ** people must all be sick, and they're clearly not right in the head!"

Monster: "Please, just act like decent people!"

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