Her vagina began tightening and releasing as if invisible fingers were inside her, massaging fixedly on a small, tense spot within. At first, she feared she was going to piss herself, but the massaging sensation did not let up, and her pleasure continued to build, until the orgasm seemed to grip all her muscles at once. Her eyes rolled back, and a sudden rush of juicy arousal made her cry aloud before she could stop herself. Seizing her pillow, she managed to crawl onto the floor and bury her face to muffle her nose, panting helplessly.
