This story has no editor there for is subject to possible grammar errors and may not be as good as it could be. You have been warned, but please do, enjoy the story.
Also this story is not a crossover of portal, it is a crossover of the semi-popular game: Mirror's Edge.

The four Princesses of Equestria ruled with almost perfect order for the longest time. However on one fateful day, after the United States and the Soviet Union bombed the mess out of each other, the remaining humans needed a place to refuge. After finding there way to Equestria, they proceed to conquer it and claim it as there own. Killing three out of the four Princesses and almost all the ponies of Equestria, the humans proceed to set up a "utopia". The last remaining Princess unfortunately has to comply with their standers and work for the humans, but for how long though?