When Yan Di traveled to the world of One Piece, the first thing she did was to stab Impel Down with the golden hoop.
He's a good guy because he saved Ace.
He is the bad guy because he made Ace and Luffy enemies.
The navy is terrible, the pirates are more expensive, and if you use Bailey, you can kill both!
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.