One Piece: Starting with a Check In System

This is the story of Arthur, who accidentally crosses over into the world of One Piece and awakens a powerful Check-In System. From that moment on, he blazes a trail through the seas, shaking the world with the strength of a peerless master. Wherever he goes, chaos follows — he sweeps across the Grand Line, unstoppable! But this is only the beginning. His journey will eventually transcend time and space, taking him to even more thrilling worlds like Naruto, Dragon Ball, and beyond! Warlords? Supernovas? Mere ants. Emperors of the Sea? Admirals of the Navy? Nothing special. The Five Elders? Celestial Dragons? Not even worth mentioning. How much of a shockwave will the protagonist unleash upon the One Piece world? What legendary and emotional moments await? Where will the next check-in location be? And what incredible rewards will he unlock? Step into the world of One Piece: Checking In Starting from Impel Down — and witness it all for yourself!