What if Nightmare Moon's story happend in the Equestria Girls world?

Upon returning to the human world, Sunset Shimmer finds Canterlot City twisted into the grotesque image of Phyrexia. Joining her six closest friends, Sunset must save what remains of her home.

After following Sunset Shimmer through the portal and becoming stuck in the human world, Princess Celestia struggles to adapt while blocking Sunset's ambitions with her own popularity. - A continuation of the original Cheer Princess by MythrilMoth

The audience gets to see just how 'hungry' a Siren can truly be.

After helping tend to the destruction of Ponyville, Fluttershy goes to feed the animals in her Sanctuary...only to find a new arrival unlike anything she's seen before.

Luna assumed that her bedwetting issue would only be temporary, as would the diapers she had been forced to wear to lessen the impact of said issue. However, things were about to get even worse for the Princess of the Night...

Quietly, Sunburst has pined for Twilight Sparkle. Though his feelings run deep, his words fail him. He knows love isn't his expertise, so to resolve things he goes to the best - the changelings.

Equestria has been taken over the by Demon Scortatus. In order to protect her friends from the omnipotent stallion, Twilight agrees to a bet. Will she able to withstand her trials? Or will she give in and join in the debauchery?

When Celestia and Luna step down due to public pressure, Twilight Sparkle and the Elements of Harmony are ordered to form a transitional government, keep the peace, and guide Equestria to a future all its ponies can accept.

Gabby creates a potion to help get the idol. Effects are more potent than expected.

"You're extra safe, y'all," Applejack reassured her friends. "The gravity here is the best cared for, most regular-like in all of Equestria."

Light finds herself getting filled with parasitic larvae. Unfortunate.

Rainbow Blitz is called into the Captain's office.

A collection of what-if thoughts of Freedom's call with Scotch Tape, Blackjack, P-21, Fletcher, Chung and Kate, kept seperate to keep the orginal story teen

Twilight Sparkle discovers her friends pretending to be ponies.. and joins them.