The quiet, unassuming girl at work or school. Even she has days when she wants to unleash her sexual desires. On the eve of ovulation, her pent-up libido reaches its peak, and she transforms into a wanton woman, masturbating openly wherever she pleases! "What are you doing here!?" But once caught, she's relentlessly forced to climax, her juices squeezed out again and again until she surrenders!