Start from Impel Down and Fight Your Way to the Top

When Ron opened his eyes, he traveled through pirates and became a jailer in Impel Down City. He acquired the system, killed enemies and earned gold coins, becoming stronger along the way. Go to war on top and turn it into a slaughterhouse, All pirates are food, kill most of them. One person cuts everything with one sword, representing absolute justice Destroy Luffy, kill Kobi, Possessing more extreme ideas than Akainu, killing all pirates, Kill through the pirate world This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.