Before getting married, Shoko worked as a teacher. One day she reunites with Seigo, her now-adult former student, who asks her for advice about his current girlfriend. Seigo had secretly loved Shoko during his student days, and once they are alone, he can no longer contain his excitement and forces himself on her. Though she resists his aggressive groping, the long-missed sensation of a cock pushing deep into her vagina leaves her writhing helplessly. The mind-numbing pleasure soon makes her body crave Seigo's touch again...