It all started with a simple question. "Can the portal go to other places besides Equestria?

The answer turned out to be "No, but we might be able to make one that can."

When their research is complete, Sunset and Twilight are pulled into an adventure in another world, where they meet even more doppelgängers of themselves. But their alternate counterparts may reveal some things about themselves they never knew.

Flash Sentry has a breakdown upon realizing that the last two girls he found attractive were actually transformed ponies, and begins questioning his sexuality.

After finding real friends for the first time in a strange dimension of odd creatures, Sunset Shimmer has finally decided to return home to Equestria in the hopes of apologizing to Princess Celestia for her betrayal. Instead, she is greeted by an attack from the Royal Guard, and a pursuit across nighttime Canterlot that ends in disaster.

Can two injured ponies who hate each other so much manage to survive the Everfree Forest and return to civilization, or are they just doomed to be eaten?
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Background is from James Corck on Deviant Art, with a few added eyes.
Update: Featured 10/4/2014. Thanks guys!

It has been a week since the Fall Formal, and Sunset Shimmer has not shown her face since. Transforming into a demon had consequences, meaning that Sunset has to do something that she has been to proud to ever do before.

Ask for help.

Inspired by 'Can you see what I see' by Avery Days and Scar Tissue by RaidiantBeam

This story is a sequel to And That's Good Enough

As the school year quickly draws to a close, Rarity – still down following her rejection by her best friend – attempts to talk things out, but finds Sunset Shimmer busy with her own work. Failing that, she finds herself conversing with the least likely suspect: Flash Sentry. Slowly the two realize they have more in common than they expected.

This story is part of Sunset's Recovery Arc.

Thanks to Nonchalant and CoffeeMinion for their help!

This story is a sequel to Rarity Visits Sunset Shimmer at 4 a.m.

After hitting her emotional limit and being pulled back from the brink by Rarity, Sunset Shimmer is slowly recovering from her breakdown. She's not back to her new-old self just yet, but she is making progress. Unfortunately, Flash Sentry heard half the story and is on the warpath to give his ex-girlfriend a piece of his mind. Rarity tries to keep him away, but fails. How much damage can one man scorned do? Does he even care?

This story is part of Sunset's Recovery Arc.

Rated "T" for depiction of self-harm, and a couple of naughty words.

It was supposed to be a normal day for Princess Twilight Sparkle. Organize some new books, prepare for next week’s meeting with Dragonlord Ember, check up on Starlight’s progress on Friendship lessons, and spend some time with her friends. Maybe even watch a problem between individuals figure itself out. Nothing really out of the ordinary. Yes, it was supposed to be a normal day for Princess Twilight Sparkle…

…So WHY was Flash Sentry in her castle, having his face get more acquainted with the floor? Why is the portal to the Human World working without her book being used as its power source? And why did she have a feeling that there was going to be a whole world of headaches in the coming days?

AUTHOR’S NOTE: This fanfiction may include MAJOR SPOILERS from “Equestria Girls: Legend of Everfree.” You’ve been warned.

The people of Equestria and Gaia may have a lot in common with each other, but when one world is populated by ponies that possess the gift of magic while the other has bipedal creatures that don’t, there are bound to be some differences.

They will have different traditions, different values, different beliefs, and different celebrations.

Of course, harmony and friendship is all about embracing the things that make people unique, and if there is going to be harmony between these two very different worlds, it is important for everyone to understand these differences.

Fortunately, there are a couple of girls who are very eager to learn.

A collection of short stories that take place in the same setting as my Harmony and Valor series, but are not part of its official canon.

Edited by GirlOfManyFandoms.

This story is a sequel to Aftermath of the Games

Change happens, no matter what any creature wishes. Actions have consequences, no matter how badly you want to ignore them. And now, magic is starting to grow in the human world in a very big way, a way that can't be hidden in a single high school.

With the inevitable coming, inhabitants of two worlds have to scramble to get a grip on what's going on before it flows out of control. Hopefully they can figure out this new magic in time to ensure a peaceful relationship between the two worlds.

Too bad there's another party interested in magic...

Check out the TVTropes page.

Friendship is weakness, that was what Sunset had believed. That is, until it forced her into a giant hole in the ground. Faced with the challenge of earning the forgiveness of her school, friendship is starting to not seem all that bad.

But friendship with them? Never in a million years. Unfortunately, they won't take no for an answer. But she has her second chance, and she plans to make use of it. However that may be easier said then done, especially when she questions their sincerity.

It had to be them...