A first person thought experiment outlining what I imagine the Mane Six would do when informed that they are cartoon characters. (Pic because awesome)

Princess Luna plans to visit her sisters student in Ponyville, but ends up talking to her number one assistant instead.

Trixie steps in some poison joke, to slightly humorous effect.

Someone has just qualified to be a user of Afterlife Prime, a totally immersive synthetic universe accessed while asleep. In this game one can choose to be anyone or anything that their imaginations allow. So our protagonist becomes Fractal Cloudfront the Pegasus. And soon finds that he is not the only pony in this new world.