She begins to expand

"Ahhhhh fuck" her ass feels so... Warm. She cant help but grab it, her pants, while supposed to be tight, feel so much more "Its going to affect" the tingling sensation concectrated in her ass, she cant not moan, "Ohhh fuckk" she cant help but spank her ass, "Mmmmmm" the tingling just extremified, "Fuck"