The story of PonyX is about a pony that grows up to be an outlaw in Equestia. In disagreement with Celestia's methods of protecting the world from Nightmere Moon, PonyX goes on a quest to break the spell that keeps her locked on the moon.
Mist'e Murdie is an illustrator an author. Currently she is working on a project called "PonyX". It takes place in the time of the 1000 years Luna banishment. PonyX takes part in her return.