It's autumn now... The mornings and evenings are getting colder, and the footsteps of winter are approaching. One day, Yuko is worried about her son Fumihiko, who is still wearing light clothing. "I hope he doesn't catch a cold..." However, Yuko's fears are realized. Seeing Fumihiko feeling chills and coughing uncontrollably, Yuko realizes, "This is definitely the early symptoms of a cold..." Then, Fumihiko starts to massage Yuko's breasts. Then, his movements as he massages her breasts become more intense...