A student likes a classmate. And a rapprochement begins between them. But the teacher, a mature, confident woman interferes in the matter. She prefers to be kissed on the lips. But not in those lips that are on the face.
The author is most likely a man. Just as a man he describes the events of the story, including eroticism. If you judge more broadly, and according to other stories of Vitaly Mushkin, we can conclude that his ideal is a mature woman, experienced in sex. But is it really so?