"S-stop it!" Serilla yelped, helpless in the hands of the woman, who, she noted with shock, was over half a foot taller than she was! Human women shouldn't be that much bigger than her! But the touch against her tight entrance caused her to yelp, squirming. She was tight, and not terribly wet...though that began to change when the woman nibbled on her ear, sending a sharp<em>spike</em>of arousal through her.