What happens when you put a human Twilight and a pony Twilight together? Science, of course, with a side dish of sexual tension.

Twilight sparkle learns about why you shouldn't keep certain people in the friend zone

Twilight goes a whole day without using the toilet.

Fluttershy not only has the hots for Twilight, but she also has a horn fetish.

Twilight Sparkle is accidentally humiliated repeatedly at a party.

Twilight tries to understand romance, and her spell results in unseen (and depraved) consequences.

The price for leaving Tartarus is steep. To right her wrong, Twilight begins her journey to escape the dark depths of an Equestrian hell.

A lab accident leads Twilight down the road to be Ponyville's most infamous sex offender.

Twilight Sparkle. Faust's gift to mares?

Twilight spent two years planning on how to seduce Princess Luna. It's just a shame she didn't think to plan what to do next.

As Twilight's friends grow increasingly perverse, she keeps notes in her journal to unravel the mystery.

Twilight hides a secret. A foot-and-a-half long one at that. But when Celestia discovers this shameful truth, Twilight will learn far more about her mentor than she knew, and discover a painful past and an uncertain future.

You've got a secret desire and are too shy to tell any of your friends. What would they think of the Princess of Friendship if they knew what she did at night? Layers of latex, thick leather straps, corsets, gags...

When you're the leader of a group of six alicorn princesses, you should get a kicking throne, right? Twilight samples a few of her friends along the way.

Spike has trouble sleeping at night, and Twilight being the good friend she is helps him relax.