Before marriage, Shoko worked as a teacher. She reunites with her former student, Seigo, after a long time. He says he wants to consult her about his girlfriend. Having secretly loved her since school, Seigo can no longer restrain himself when they're alone and makes a move on Shoko. Though she resists his aggressive advances, the intense stimulation of penetration—after so long—makes her writhe uncontrollably. Overwhelmed by pleasure, her body begins craving Seigo's touch again. His warmth and passion nurture a new, forbidden emotion within her.