One day, Twilight notices something strange : the princess Celestia she is looking at has got no shadow.

Twilight's curiosity then forces her to figure it all out.
Curiosity is such a bad thing.

She should have stayed out of this one.

In all the years Luna spent imprisoned, the sun and moon still rose in Celestia's wake. How was such a feat ever performed or even possible?

In the last of Luna's efforts to find the answers,she agrees to a wicked wager, one she intents to win at any and all cost. Celestia cares for her sister truly... so much so, that there are just some secrets even she won't confess to without proper "incentive."

This story is a sequel to The Origin Of Moonbutt

Twilight Sparkle is now aware of Princess Celestia's nickname being 'Sunbutt,' and Princess Luna's nickname being 'Moonbutt.'

But the answer to one question still eludes her: Does Cadence have a nickname?

With this in mind, she decides that maybe it's time she paid her dear sister-in-law a visit...

(Takes place before Season 6. Reading the prequels is not required.)

Rainbow Dash was just a pony that live with her Uncle. One night she heard a cry for help and soon it turn from saving Princess Celestia to saving all of Equestria. Follow Rainbow Dash as she fight monsters, solve puzzles and travel through a new world. Rainbow mush have the courage to fight the monsters, Wisdom to solve puzzles and the Power to face her enemies.

Rainbow Dash-Link
Princesses Celestia-Princess Zelda
Sombra-Agahnim
Nightmare Moon-Ganon

Princess Celestia transports six humans to Equestria and studies their culture and behavior. They will face many hardships in their lifetime in Equestria. Though along the way they will meet: friends, enemies, and even the occasional douche bag. Though something bigger is brewing over the horizon. This is my first story written constructive so criticism is appreciated.
-Van

This story is a sequel to The Origin Of Sunbutt

Twilight Sparkle now knows how Celestia got the nickname 'Sunbutt', thanks to Luna — but when Celestia finds out, she decides to even the score.

After all, she isn't the only one with an embarrassing nickname and a story to tell, even if both were borne of tragedy...

While talking to Princess Twilight Sparkle, a Royal Guard refers to Princess Celestia as 'Sunbutt'. He is quick to explain how he came to learn of the nickname, and suggests that Twilight should talk to Princess Luna.

So she does, whereupon she finds that Luna is all too happy to share a story with her...