After Unifying the Seas, the Original World Is Invited to Visit

He transmigrated to the pirate world twenty years ago, and only now has his System awakened.

Roan: I've already beaten the pirate world, and now the System shows up?!

The Strongest Sightseeing System has awakened!

Invite characters from the original world to visit, and get rewards based on their shock and admiration!

And so, the Four Emperors, the Seven Warlords, the Navy, and more are all invited to this world...

Kaido, Big Mom: What does labor reform mean? Are we forced laborers now?

Sengoku: Where's my Navy? Where's my huge Navy Headquarters?

The Five Elders: What's so special about that? Why aren't there any Celestial Dragons in this world?

Shanks: Wait, the truly outrageous thing is that there aren't even any pirates here!

Luffy: We agreed I'd become the Pirate King. How can I become Pirate King if there are no pirates?

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