My Little Pony: Friendship is Magic. Pony Swap.
Twilight rolled over in bed and immediately wished she hadn't. The sun was up now and her head ached from the party the night before. Her throat was dry and she made a mental checklist of why she would never drink again, starting with hangovers and working her way down the mental list. She was just glad Spike hadn't disturbed her while she slept, in fact he had probably brought some water and medicine to her nightstand. The one benefit of having an underage assistant was always having somepony to take care of you the next morning.
Not quite ready to move again, Twilight thought back to her birthday party with Pinkie Pie and the mares, who all promised to make it a night she would never forget. There had been rum cake, jello shots, tequila and liquors. If she never partied again after that 21st birthday party it would be too soon.
With a sigh, she took a deep breath and opened her eyes, squinting against the light. The room was a lo