Nightmare Moon, Discord, Chrysalis, Sombra, and Tirek. All were once powerful beings bent on taking over Equestria, but they were constantly stopped again and again by six mares, who were the bearers of the Elements of Harmony. All six of them lived in a quaint little town called Ponyville. They lived simple lives, and they enjoyed each others company immensely.
But after the events with Starlight Glimmer, who would become one of the mares new students, one higher up authority now believes each of them would need protection within for the future. The Pony Goddess, the mother of Luna and Celestia, has made a fateful decision.
So after much deliberation, she has taken six humans from another world, one that interested her so much, and a race that had been familiar with war and conflict for millennium, and assigned each of them a former bearer each. Solely for the purpose of matchmaking.
What? Gods get bored sometimes.
And how do these humans take the scenario? well as one of the humans chosen says in his native tongue...
'For Fuck Sake!'
This is not family friendly is you hadn't already guess from the rating
Set after 'Times are Changeling'