Chapter 500

Coverstory Summary
CP9's Independent Report vol. 10: "Earning Medical Fees - Cleaning the Streets"

Kalifa uses her Devil Fruit ability to clean the streets while the rain washes away the soap.

Plot Points

 * Robin informs Nami about the discrimination of Fishmen and Merfolk.
 * Silvers Rayleigh, the former first mate of the Pirate King Gol D. Roger appears.
 * Rayleigh also appears to have Haki.