Cheating the Cycle of Life- A Padded Pony Collab

If Nightmare Moon had just had the slightest shred of sense of humor, she would've felt the oddness and absurdity of the situation, and laugh at it.

Instead, she was thrashing around, her voice muffled by the pacifier gag strapped right into her mouth, her front hooves stuck in a crossed position no thanks to a golden straightjacket with gems as buttons, her hind ones covered in silky purple socks and her lower parts snugly covered by a ludicrously thick banana yellow diaper with Celestia's cutie mark emblazoned on its front, and a vibrator's remobe strapped to her left leg, with the fun end going under the diaper's poof and deeply into her most prized possession, vibrating quite strongly in a way that aroused Nightmare Moon. On top of that, her sister Princess Celestia had locked her right into the Moon and she had cast a spell that forced Nightmare Moon to be stuck in her current position- namely, on her back- onto the Moon's walls, and her moans and groans were coming out of her celestial prison as strong train whistles.

Nightmare Moon moaned, as she felt the need to release herself with all her might. But the vibrator was in such a position that didn't allow her to come, which frustrated and aroused her even further still, to the point that the whistles contributed to her constantly forbidden climax by starting to vibrate in the same way as an attractive stallion whispering dirty talk in her ear did.

Only four hours had passed, since she had been stuck in such a position. One thousand years were an incomprehensible length of time to her pleasure-filled mind or hers...