A man who was laid off from his company in Tokyo manages to make a living as a postman in a rural area in the Kanto region. Delivering mail in rural areas is difficult with many hills. Erotic troubles occur wherever you go. When he encounters a young wife taking a bath, he takes off his clothes and washes his back, and the man comes home... and there is a good atmosphere with the widow of a wealthy man, and they have a deep encounter from the mixed bath... A slightly erotic middle-aged love story!