Tanya Degurechaff gets tossed into Equestria and transformed into a Changeling Queen. It's a nice retirement from modern warfare as an aerial mage. Then Queen Chrysalis attacks and forces her out of retirement. Historians refer to this as 'a bit of an oopsie.'

Hundreds of years before the legendary Starswirl opened his eyes, a moment of change shook Equestria without even being noticed. Such is the way of the Changeling hive.

A new brood has hatched, unlike any other the hive has seen in generations: Changeling princesses, destined to lead the hive in a new direction that their mother could not. But the path is not easy for any one of them. Pony settlements dot every corner of Equestria, spreading thin the hive's hunters across the vast hunting ground.

Faced with the possibility of a divergence, a splitting of the home hive across Equestria, the princesses are thrust into the savagery of the world around them; their hive, their world, even their prey, show no mercy. To keep their kind alive, the princesses have no choice but to unleash their wrath upon those who would challenge them, lest they lose their hold on their family.

Flurry comes out as asexual to her parents. This leaves one important question. How will she birth a new ruler? Shining has the answer.

It's bad.

A fun little non-submission to promote the Shining Armor is a Terrible Dad competition. Can you do better than me? Prove it. Send in a submission to win $$$.

In every world, era, and species, adolescents think they're the first to invent or discover whatever they come across. It's not hard to see why. In the flower of youth, every experience is new and fresh and exciting, especially the ones previous generations won't discuss. Not in polite company, anyway. Certainly not with their children.

Well, "exciting" isn't always the best word to describe those discoveries. Sometimes it's "horrifying." Especially when it involves certain alicorn princesses.

Rated Teen for discussion of topics that would be rated Mature. Also rated C for Crackfic. Graciously preread by Comma Typer.

This story was commissioned by Caladis

Despite her lineage and ongoing best efforts, Flurry Heart has always struggled to make a romantic connection. When left to her own devices, she tends to over share and overwhelm prospective stallions with her desperation and foal-like quirkiness. Unable to find a true special somepony or take the Crystal Empire throne without getting married, her life as a princess is beginning to look bleak. But her hope is rekindled when she meets Equestria's only resident human who seems to share many of her bizarre proclivities.

The separation of Earth Ponies, Unicorns, and Pegasi after Twilight's downfall should not have happened overnight.

But thanks to a startup biotech company called Canterlogic Pre-Natal Technologies, it did.

This is a story of how Canterlogic grew into the largest company in post-Twilight Equestria, and the ponies affected along the way.

The main chapter takes place in G5 Equestria, roughly a century before Sunny Starscout's time.

WARNING: This is probably the most emotionally difficult story I've had to write. This story contains discussion of eugenics which readers may find highly disturbing. THIS IS A WORK OF FICTION. THE VIEWS EXPRESSED IN THIS STORY DO NOT REFLECT THAT OF THE AUTHOR.

Wake up. Go to work. Save Ponyville from unimaginable horrors beyond time and space. Have lunch with your PFF.

Ditzy Doo lives in a different world than her fellow ponies. She sees things nopony else can see—like higher-dimensional spatial anomalies, fae creatures, and eldritch abominations. And she uses what she sees to solve problems that nopony else even knows about.

But this time, Ditzy may have bitten off more than she can chew. Something very unfriendly is trying to enter Equestria through Ponyville’s Town Hall. An earth pony with an hourglass cutie mark has taken an unhelpful interest in Ditzy. The Princess’s personal student has grown suspicious. And, most irritating of all, her alarm clock radio is acting strangely.

Ditzy must race against the clock to save Ponyville—a clock that keeps playing the same song over, and over, and over ...

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Traducción al español por SPANIARD KIWI aquí.
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Many thanks to everyone who preread and edited my WORDS WORDS WORDS:

Japanese Teeth
Sessalisk
Sereg
Kuroi Tsubasa Tenshi
CDRW
Clever Pun
Connelly
Justanotherbrony

Cover art assembled by yours truly, using a Derpy vector by Sierraex.

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Shoop boopy boop boop doop bedoop.

Who knew that reading those books on advanced pony robotics would have such a quick turnaround? He'd sacrificed everything! Weeks of videogames! Weeks of new movies! Weeks of comics! All of it, worth every moment for his new creation.

Written as a collab with a friend.

Equus iocus.

Twilight ponders the fragile nature of her sanity in today's little adventure.

Idol Hooves holds a special place in Equestria. He's probably the only exiled changeling to serve in the Royal Guard, or at least, that's what he expects, as exiles don't really broadcast that fact. However, it's well known that Princess Celestia loves all of her little ponies, and her guards perhaps more so, and that makes it one of the best ways for a changeling to discreetly feed.

But how does a changeling even get there, let alone get exiled in the first place? For that matter, why would it ever go to Canterlot? Set a number of years before the series proper, before Luna’s redemption, Idol details how he was exiled, the ponies he’s met, and the series of misadventures that led him to joining the Royal Guard, and should continue a good ways into the series, as something of an alternate perspective.

Soon, he’ll have to deal with a boisterous new princess to serve and a royal wedding in the works bringing a third to power. Will his old instincts bring this new life crashing down around him? What precipitates Chrysalis’s ill-fated assault on Canterlot? Is it really so wrong for a changeling to enjoy good craftsmanship to an obsessive degree?

New cover art provided by the fantastic Carnifex

And a TVTropes page here.

And an Ask Blog of questionable canonity!
Out of Idol Curiosity

Fanart by Norad2! Major thanks! Short For a Royal Guard

Art by Egophiliac of Idol and his Daring Duckie Please don't tell him what that brush is meant for.

Rating updated to (T), it's a bit darker than (E)
Comedy Tag added as well
And changed the character tags a bit.