…The other balloon packets were out of reach, forcing Octavia to stand up. Vinyl deserves the very best, after all, she thought, as she grabbed the next pack with her mouth. Returning to her place by the jumbo helium tank, she glanced up at her herd of inflated ponies. More squeaks came from the floating bunch as they tried to cheer, tried to wave their hooves in celebration—but with their legs swallowed by their own bloated bodies, each attempt to move just made the ponies bob in the air and brush against their neighbors. Octavia gave them a smile as she sat down again on her impromptu perch…

…and she missed, instead dropping her rear onto the helium tank’s business end. Octavia’s eyes widened as the nozzle slid right up her backside. “Oh!” she yelped, dropping the balloon packet, and instinctively clenched her rump—her thin cheeks squeezing the nozzle and trigger. With a familiar hiss, the helium in the tank began blowing into Octavia’s backside.

“Oh…” Octavia said, as her ears folded back and the blush returned to her cheeks. “Oh my.”

And now we get to the fun bits~ Read ahead if you like!