The season is autumn... The mornings and evenings are getting colder, and the footsteps of winter can be heard nearby. One day, Yuuko was worried about her son, Fumihiko, who was still wearing light clothes. "I hope I don't catch a cold..." However, Yuuko's worries hit the mark. Yuuko sees Fumihiko, who feels chills and can't stop coughing, and realizes, "It's definitely the early symptoms of a cold...". Then Fumihiko slowly massaged Yuuko's chest. And the movement of Fumihiko rubbing his chest becomes violent.
