That first jolt of pain she felt shot right to her pussy and started her dripping; the aching kept her juices flowing. The depth and vigor of his face-fucking added to it, and had Jenny just about at the point of another orgasm. He released her nipples and began massaging her gently once more, and she relaxed enough to allow the whole length of his cock into her throat and mouth. She heard him moan with pleasure as his root pressed against her lips.
He leaned forward as he kept on fucking her mouth, and slid his hands over her latex-clad hips. He slid back up, then, pulling the zipper until her legs were free again. Back down, and this time his hands spread her legs wide in front of her grandfather's eyes. His hands slid up her thighs until they rested on her pussy, and he slipped a finger from each hand into her hole. Jenny's felt herself sigh, but his cock blocked any sound from coming out of her mouth.
Bob pulled his fingers to open one side and the other, spreading her hole wide open for Sam to enjoy seeing while Bob had the pleasure of Jenny's throat. His fingers deftly twirled inside her, then, finding that spot that got her off so well, and massaging it roughly. Jenny body melted into one big silent moan of pleasure as she felt herself cumming again. Bob held his cock in place inside her as she came, and her mouth and tongue twitched and jumped wildly over his stiff pole. He came too, with her writhings, and spewed his cum right down her gullet. He thrust a few more times to make sure he was drained, and then withdrew his cock and his fingers from Jenny's orifices.
"A real sweet pet, Sam," he said as he pulled his pants back up.
He lifted Jenny up and stood her up again. She wobbled a bit, unsteady on her feet, and he held her by the shoulders a minute to keep her from falling over. Sure she could stand, then, Bob told her she was a good girl, and kissed her on the lips before he sat down.