Arrival in One Piece: Five Years of Sign-In, Then I Wrecked Impel Down!

Luo Ya transmigrates into the world of One Piece. Despite having the potential to become an admiral at Marine Headquarters, he is imprisoned in Impel Down at the Celestial Dragons' whim.

But shortly after Luo Ya is locked up, he unexpectedly obtains a System called Sign-In.

He signs in for Toshiro Hitsugaya, successfully inheriting the strongest ice-type Zanpakuto and all of its abilities!

Five years later.

Facing the Marines who have come to release him, Luo Ya says coolly, "I used to fight for the justice behind me. Now I only want to rule the world through violence!"

Then, with one move, Daiguren Hyorinmaru sweeps through Impel Down.

The entire sea trembles!

Sengoku: "I admit it, I regret it. I shouldn't have imprisoned him. That kid Luo Ya is even more terrifying than Rocks!"

Garp: "I swear on my honor as a Marine hero that I'll capture him again!"

Admiral Aokiji: "I never expected he could also control..."

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.