A new world has opened up, and a magical disturbance has been located inside that world. King Mickey sends Sora and Donald to this new world to find the disturbance and deal with it properly. But when they arrive at this new world, more problems are added to them, the Fall Formal, keeping where they're really from a secret, and most of all, what's really on the line...

Takes place after Dream Drop Distance.

My Little Pony: Equestria Girls belongs to Hasbro
Kingdom Hearts belongs to Disney and Square Enix

EDIT: Cover art from Akili-Amethyst

EDIT 2: Title Screen (Dearly Beloved)

EDIT 3: Warning! Spoilers in the comments

EDIT 4: Edited by zimmerwald1915

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This story is a sequel to Past Sins

Side-story to Past Sins - Spike almost lost Twilight to a hangmare's noose, but now Twilight is safe and Nyx is a filly again. Normal life is returning. Still, Spike can't ignore the fact that Nyx just isn't the same as he remembers her. Her temper is more volatile, and, when she gets angry, all he can see is the rage-driven Nightmare Moon of legend.

And thus Spike has to wonder: Is Nyx truly reformed, or is she one bad tantrum away from calling herself Nightmare Moon again?

This story is a sequel to Past Sins

Touch, Smell, Taste, Hearing, Sight

This is the order the five senses develop in for foals as they rest, cradled in the warm safety of a mother’s womb. But for one, her womb was a thorn bush in the dark of night. For one, the safety and warmth that should have carried her into the world was replaced with pain and cold.

These are Nyx's first hours.

This story is a sequel to Past Sins

Side-story to Past Sins - Slowly, the wounds inflicted by Nightmare Moon's reign heal. Ponyville is being reconstructed, and the last refugees are leaving the castle. Nyx is with Twilight. Celestia and Luna rule Equestria and guide the sun and moon once more. Everything is as it should be.

But some things are never washed away. These are the things that remain to remind us of the past. They remind us of the good times we've had with friends and family. They never let us forget the mistakes we've made. Everyone has them. Twilight has them. Nyx has them.

And, on occasion, when you share your scars, your photos, and your trinkets with another, they just might share theirs in return.

Twilight Sparkle wakes up one day and her whole life is gone. Her friends are missing and there are monsters roaming the streets of every town throughout Equestria. What can she do to save her missing friends? And if she does, will her life ever be able to go back to the way it was before?

Twilight begins an epic journey to save her friends from the endless hordes of Heartless. (Note: you don't need to know anything about Kingdom Hearts to read this. This theory has been tested by a group of my friends who know nothing of the game series. Regardless, I recommend the games to everyone, for there are many little Easter Eggs that I've hidden :D)

I am looking for a proofreader, to try and help me with my revisions. I am going back and looking at, and rereleasing each existing chapter of this series, as well as the ones that have yet to be released, making them all into the same format.

Omigoshomigoshomiosh! I was on the featured stories thing! Thank you all so much! You're the best!!
Also, there are some spoilers in the comments, so if you don't want to see them, avoid that section until you are caught up.

This story is a sequel to Past Sins

Hearth's Warming is a time for friends and family to come together, celebrate harmony, and welcome the new year. Nyx is looking forward to just this as she rides the train to Canterlot with Spike and Twilight. She's going to meet her extended family for the first time and wants nothing more than to make a good impression. Yet, the sheen of the holidays can't hide the trouble caused by meddling grandparents, relentless reporters, and a paranoid uncle.

This story is a sequel to Kinds of Love

A series of side stories set after the events of Kinds of Love. This is the second story of the Kinds of Love series.

When the Cutie Mark Crusaders dig up an ancient magical artifact, they unleash a spell on the town that allows everypony to see a "lie meter" floating above each other's heads. While attempting to solve the mystery, Twilight Sparkle has to analyze the tenuous balance between friendship and honesty. She doesn't like what she finds.

Based on a story idea conceived by theworstwriter
Written and posted with his permission

As a Royal Princess, it is Luna's responsibility to watch over the subjects in her kingdom. One of the ways she helps the common pony is to inhabit their nightmares, helping them to overcome their fears and anxieties in order to live stronger the next day. However, one night Luna steps into the dreams of a young filly and finds out that the pony is dying. With nopony else able to help the child, the Royal Princess realizes that she has no other choice but to help. Can Luna save the filly walking the line between life and death?

This story is a sequel to A Pony out of Place

Set directly after A Pony out of Place. Flare Blitz, a Rapidash, turned pony, has opted to stay in Equestria, but things won't be so easy for him. Now a full-fledged pony, he has to earn a Cutie Mark, train with the Princesses, survive a love triangle and Arceus knows what else.

And most importantly... get Twilight to go out with him!

It has a TV Tropes pages too, check it out and help add to it.