On a cold snowy evening, Sunset Shimmer and Twilight Sparkle snuggle under the covers to stay warm...

...and giddy.

Not long after the girls saved Camp Everfree and embraced their newfound magical abilities, Sunset Shimmer starts acting strangely. She jumps every time her friends get even remotely close to her and she keeps everyone at a distance. This is especially worrying to Twilight Sparkle, who seeks how to make her best friend feel better.

-Equestria Girls Four Spoilers abound.
-Inspired by a bit of sunny picspam I discovered.

Friendship Games Spoilers ahead

In the wake of the magical fiasco that was the Friendship Games, Sunset Shimmer invites her new friend Twilight over to spend the night, and Twilight comes to find out that the two have more in common than she ever would have expected.

Preread by DragonShadow
Cover art changed due to viewer confusion.

Distraught after waking up from a nightmare, Marble Pie finds comfort from an unexpected pony.

Alone and afraid, Sunset Shimmer has been living off of the streets in Canterlot ever since she ran away from home. She is barely holding on as it is and winter is coming soon, and Sunset doesn't know how she's going to survive this one. On a particularly cold night, she's out searching for something to eat when she bumps into the last pony she expects to see walking through the slums: Princess Celestia.

Edited by Alcatraz
Cover art drawn by Dilarus

YouTube Reading!

Twilight Sparkle and Timber Spruce have been dating ever since the events of Camp Everfree.

But some time later, Twilight asks Sunset Shimmer to meet her in the school lab. Because Twilight has relationship worries—lots of them, and Sunset's the only person she trusts to help.

Part of the Montage Cinematic Universe.

Edits: nanashi_jones

A hugbox story in which two lovely girls realise how much they have in common.

Twilight spills her feelings online. Calamity ensues.

I blame fourths Cake Eater

After a thousand years spent trapped on the Moon, Princess Luna is officially back home.

Tired and weary, she would truly like nothing more than a nice, long sleep.

Sadly, Princess Celestia has other plans for her dear sister.

Artwork by MagnaLuna. Thanks for all those that pointed this out!

Princesses Celestia and Luna, while visiting in the Crystal Empire, insist Cadance and Shining Armor take a night off while they watch Flurry Heart.

When Flurry asks Luna to play with her, she is taught how to play an ancient game from the princess' own fillyhood. Simple, harmless fun, right?

....Right?

(Note: Flurry Heart is 2 in this story)