Before her marriage, Shoko was a teacher. One day, she meets her former student, Seigo, for the first time in a long time. He asks her for advice about his current girlfriend... Seigo, who had a crush on Shoko in his student days, is unable to contain his excitement when they are alone together and approaches her in a fit of desire. She resists his forceful caresses, but she cannot resist the stimulation of his penis inserted deep inside her vagina for the first time in a long time, and she writhes in agony. The pleasure makes her lose herself, and her body craves Seigo's touch again...