Princess Twilight Sparkle gets bored, in a way that only an alicorn can. Fortunately, only Twilight knows the cure to an alicorn's boredom, especially because she invented it on the spot. She eventually gets some bored company.

Spoiler alert, you can guess who her company is by the list of characters on this story.
Cover image: https://plysandplus.wordpress.com/2014/10/21/the-new-new-math/