Twilight travels to Canterlot to comfort Princess Luna. Thus she spends much time with the royal alicorn -- but not only in the living realm of Equestria. Strange dreams of the regal mare start to overtake her sleep, and soon Twilight realizes that the Princess is triggering feelings she has never felt before.

Can Twilight admit her emotions to Luna? If so, how? And then why is Luna turning into Nightmare Moon again?

Read and find out.
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A/N: Fic is going to be a TwiLuna shipping (no clopfic).

Plus, the story may get dark/adventurous or sad, I'll add the categories when there is actually a part of that category in the actual story.

Twilight becomes alicorn of the stars. This is sort of a problem, because Luna kind of already was alicorn of the stars. Oops!

TV Tropes

Celestia leaves to deal with a foreign crisis, giving her sister a chance to rule alone and become more attached to the modern world. She calls on Twilight Sparkle to advise Luna, hoping her student will be able to draw Luna out of her shell. With two major threats to Equestria already defeated in the past year, it seems like the perfect time to let Luna gain some confidence and experience in the modern world. After all, what are the chances of a third disaster occurring?

Now comes with complimentary tropes.

Twilight Sparkle finds herself spending time with a local pegasus from the weather team, and may be developing feelings for her.

But when they stumble across a relic of nightmares past, Twilight must learn to cope with distressing new urges, and keep her friends and the rest of Equestria in the dark...

Not so long ago, Equestria barely defeated two almost unstoppable creatures known as humans, which they called the Second and the First. Almost five years later, another one has shown up. The military takes up arms, the princesses are stricken with fear, and the Elements of Harmony assemble, ready for battle. But 'the Third' has no idea what's going on, and only wants to know how he came to be here, and how to get back home. Good questions indeed...But will he ever get his answers? Or will his predecessors' legacy catch up to him first?

“Side story/prequel to Human by DannyJ, but can be read on its own. Contains spoilers.”

In which I, Twilight Sparkle, (the biggest idiot in Equestria), fail miserably, utterly, and conclusively in my valiant endeavor to keep my decidedly-more-than-Friendship feelings hidden from one Rainbow Dash (the sexiest fastest mare in Equestria).

Friendships don't always last, time isn't always well-spent, and not everyone gets a happy ending. Everypony has their regrets, paths not taken, failures and lost loves. Sometimes, it's too late for second chances.

When Scootaloo wonders why Rainbow Dash seems to be avoiding her, Dash decides to tell a story from her youth, about friendship gained, and friendship changed, in order to explain why seeing Scootaloo has been making her sad.

With the time she has left, Rainbow Dash seeks what is truly important in life before moving on.

A visitor arrives in Equestria, bearing a wealth of knowledge and a troubled past. The Mane 6 are quick to befriend the stranger, who helps them to discover what they truly value in life, and how to achieve it.

But learning to overcome their fears and achieve their desires comes at a steep price, paid by their innocence.