What would happen if it, when she was undergoing that fateful test in Canterlot, something stranger happened to Twilight Sparkle?

What if she became a he due to all the magical shenanigans involved? With Princess Celestia racing destiny to prepare a new bearer for the Elements and her only other option, Sunlight Shimmer, being woefully inadequate, the Solar Monarch has no choice but to throw caution and concern to the wind and train the gender-swapped 'Dusk Shine' to fulfill the role of hero.

How does a Stallion fare in a society where Mares are dominant and sexual equality is a interesting theoretical concept? How will Dusk Shine and his faithful assistant, Spine, cope with being exiled from the comforts of the capital to the rustic 'charms' of Ponyville and it's certifiable inhabitants? Will my brain explode from trying to keep all these concept separate from my other stories?

Get on, sit down, strap in and hold onto your pastel-coloured waifus and husbandos, this is gonna be a trip ...