[Mosaic removal] Reiko who felt a little lonely with their growth while feeling joy at the reunion with the students who met again for the first time in 15 years.On the way home, he meets former student Kashiwagi, who was attending with him.And the two who were excited to talk about memories...Kashiwagi's gentle and earnest confession moves Reiko, who persuades her that it's the power of sake, and surrenders herself.Reiko drowns in her first taste of pleasure that she could not feel with her husband.Her body is deeply engraved with her pleasure.