I Signed In at Impel Down for Ten Years, and Now I’m Out

Rogg transmigrates into the body of a Marine soldier at Marine Headquarters, but after failing his training trial, he can only take a post as a prison guard in Impel Down.

He thinks he is doomed to spend the rest of his life in misery, until he awakens a sign-in System that gives him a chance to receive a reward wherever he signs in.

Sign in on Impel Down's first floor and receive: God-Tier Finger Pistol!

Sign in on Impel Down's third floor and receive: Intermediate Armament Haki!

Sign in at Magellan's office and receive: A body immune to all poisons!

Sign in on Impel Down's sixth floor and receive: Beginner's Conqueror's Haki!

Rogg resolves not to leave until he is invincible, and keeps signing in at Impel Down for ten years.

Then, ten years later...

The Summit War begins.

When Luffy and Blackbeard invade Impel Down, intent on releasing countless vicious pirates...

Rogg finally has no choice but to step in!

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