Before she even had a moment to take it in or to even realize she still had clothes on, more energy flowed out to the book like it had been summoned, it filled her lower end to match her boobs.
Her ass got even bigger.
First to the size of two beach balls
"Aa-ah" she moaned, her pussy only getting wetter
Then two hyper inflated bouncy balls
She bit her lip to suppress her high pitched voice
And finally two bean bag chairs, just a bit smaller then her breasts
She practically screamed in pleasure as she had to adjust her stance as her thighs and calves grew to match her ass.
This small movement made her boobs jiggle , her ass wobble, and sent her over the edge as her vagina juices leaked into the floor
Nothing was there to block the fluid as her pantyhoses had to now be reclassified as socks with stylish tattered cloth hanging off them. Her panties stretched and hanging off her ankle as they broke a while ago, and her skirt hiding nothing as her ass was so big it was almost all the way out from under her skirt. She fell to the ground with a thud slightly shaking the apartment, luckily her ass was so close to the ground already it didn't fall far
She sat on the ground in ecstasy, high off her masturbation and giant ass-sets.