When John Radderson ended up as an anthropomorphic alicorn Princess Twilight Sparkle, she set off a chain reaction that transformed her classmates into her pony friends.
John is your typical teenage guy, went to school, did chores and got a little money for doing so. But he also has a secret love for the show MLP, he kept it secret from everyone but now things will change. in a very interesting way.
After the events surrounding the Friendship Games, Sunset and Twilight discover that they have full control of the sun and moon of the EG-verse. SPOILER WARNING (anthro because of transformation here and there)