Marines Retribution (A One Piece story)

Two marine officers, Jiren and King D Soras are very loyal soldiers to the navy. One day when they are patrolling the small island their base is stationed at they discover a devil fruit. After one of them eat it and use their power to defend their base from a pirate attack the two are arrested for treason and must flee, the two of them must then make a life for themselves upon the sea and though they are labeled as pirates they are still loyal to the navy and go about destroying the corruption within the Navy and capturing or killing any pirates that get in their way. Even the straw hats are not safe from them