When Batty, formerly a middle aged brony who found himself inserted into Ponyville as a young Bat pony filly roughly ten years prior to the thousandth Summer Sun Celebration. Thinking that it would be a good idea to introduce Pinkie Pie to Cheese Sandwich when he first comes into town, Batty finds out the next day that she had inadvertently inspired them to become travelling Party Planner Pony Partners.

Batty now finds herself desperately trying to fill the missing role of Laughter before the inevitable return of Nightmare Moon. As the only Bat Pony in Ponyville.

And she is driving herself... Batty...

*O o O o O*

Loosely related to Distorted Resonance, with the SI protagonist appearing in Ponyville as a Bat Pony instead of a Unicorn, and adopted into an OC family instead of becoming the foster sibling of one of the Mane Six.

Batty and Crystal Synergy may or may not eventually meet each other at some point. If they do, it will probably be really awkward. Especially since they both essentially started as the same person...