Canterlot High School is having a talent show, and the Rainbooms are eager to join in. However, things get complicated when the human world version of Sunset Shimmer suddenly makes an appearance. After much confusion and several mix-ups, she finally meets her counterpart and her friends. Unlike her counterpart, however, she's shy and reserved. The girls try to befriend her, but this Sunset doesn't seem to be too interested in friendship. She is, however, very interested in the rumors of magic surrounding Canterlot High, and seems to be hiding something magic related herself. And when magical mishaps begin to occur, the Equestria Girls begin to suspect that this new Sunset may be behind them. Is it possible that she's evil and power hungry the way her counterpart once was, or is there something else at work?
STORY COMPLETE

This story is a sequel to Tantabus Communication Protocol

What started with laziness and a tiny slip-up in arcane intelligence creation has blossomed into its own being. With Luna's blessing, the second Tantabus is free to flit around the dreamscape as it pleases, unburdened by oversight. And what pleases it is making good dreams. Who couldn't be happy by making others happy?

As the Tantabus settles into its life, its horizons keep expanding, forever revealing more of the world and of ponies. There's always new things to learn. New dreams to spice up. New nightmares to beat down. New ponies to help. New ponies to annoy.

Don't tell Luna about that last part.

Cover art by Harwick.

One day, Twilight Sparkle discovers something amazing about her friend Sunset Shimmer.

She's a magical talking pony!

This requires investigation! Science! Possibly a full-body physical!

Or maybe Twilight will just ask her what's up with that.

Rated Teen for frank discussions about... y'know.

Rainbow Dash finally decides to tell her friends that she is gay.

This news comes as a surprise to absolutely no one.

Rated Teen and Sex for discussions of homosexuality. A lot of homosexuality.

Written for F*** THIS PROMPT #12: "Rainbow Dash is a Lesbian."

After finding Discord hiding out in his closet, Twilight Sparkle soon learns the most horrible of truths about herself and the world surrounding her.

And then she learns another truth.

And another. And another. And...

Wait! So Rarity's being impersonated by a changeling? And Twilight too? And... the rest of the Elements of Harmony?

Okay. So what's the big deal again?

UPDATE: labeled as complete. I really can't think of anything else to add to this story. The second chapter will remain as a bonus.