Bubble-Hem Dress? (Patreon)

 Was it dumb to poof herself and regenerate entirely to screw with Peridot?  Absolutely.

...Did that stop her from doing it?  Not at all.

Lapis took a peek into her girlfriend's internet history while she was sleeping, only to come across some rather interesting results:  Big, beautiful women of all kinds, but especially those with bottom-heavy builds.

Lapis wasn't one to change herself for the sake of others, but when she saw that, she knew it was a chance to pull quite the little prank.

When she reformed with her enhanced figure, it was...  interesting, to say the least.  She wouldn't admit it, but she had to spend a solid hour pacing around the barn alone to get used to walking with all this mass.  Not only was it big and unruly enough to change how she walked, but with every footfall her ass and thighs would bounce and wobble.

Ripples of motion send shivers of pleasure up and into her gem, and Lapis quickly understood just what it was that was so appealing about this kind of shape to Peridot.

...But that was a matter for later.  Once she was adjusted and ready to go,  Lapis was off to find Peridot.

She hadn't expected Peridot to mistake the growth for a change to her dress, but that only made the look on the shortstack's face even better when she realized what was actually going on...

Yeah, maybe she'd stay like this for a little while.

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Lapis decides to prank Peridot after seeing the girl's not-so-sfw internet history...