Reiko is happy to meet her former students for the first time in 15 years at a class reunion, but she also feels a little lonely at how much they've grown. On the way home, she meets Kashiwagi, a former student who was also in attendance. The two get excited talking about old times... Kokoro by Kashiwagi's earnest confession, who gently leads the way, Reiko tells herself it's the alcohol that's taking over, and gives in to him. Reiko is drowning in the pleasure she's never felt with her husband. Her body is deeply engraved with pleasure...