You know the gimmick about human being ponyfied and brought into the canon of the show. But, there's some kicker. A boy, Allen, goes indeed in Equestria...... FROM THE GRAVE! Side effects: Medium Plot Bending, Black Humor, and Videogame Logic.
Nine days after a incident, a group of four students encountered a Deplacer, a mysterious entity and tried to take on him. They paid the price of that error by being thrown into Equestria and turned into the villains... But not the equestrian ones.
After Chrysalis has been defeated and dethroned, Starlight Glimmer offered her a chance to reform herself. The queen refused and swore revenge before running away. But that wasn't supposed to happen. Someone from above is not happy of the result.
The Mane Six, now being the Elements of Insanity, found themselves dealing with the threat of a bipedal pony-like, demonic villain, who is in reality a human boy named Alex Phirrel. The kicker? The said villain is the main character of the story.