Six girls discover how powerful pieces of cardboard are in the face of adversity

A human falls from the sky and accidentally possesses celestia, he then proceeds to do the only rational thing any sane person would do in his situation, abuse his new found power like Tartarus.

Hello, my name is Roseluck; I'm an earth pony, from a land known as equestria, and this is a record of my time aboard the TARDIS.