One Piece: An Eagle-School Admiral Rebuilds the Marines

Luo Ye transmigrates into the world of One Piece as a hardline Marine Admiral, determined to purge every pirate. After being thwarted in the battle at God Valley, he loses faith in the Marines and leaves to found the Neo Marines. During the Paramount War, Akainu, holding the secret means of contacting him, finally gets through to his Den Den Mushi.