Her husband is away, and married woman is indulged in sex with her sex friend at home

Michika, her son and husband are going to a concert of the popular idol group Puripuri Princess Z this year. The night before, while looking forward to the concert, I was dancing a popular song by Puripuri Princess Z with my son, when Michika receives a phone call. The caller was Kenichi, a younger sex friend whom I met at my part-time job. On the day of the concert, Michika fakes illness and breaks her promises with her son and her husband, and brings Kenichi to her house where there is no one there...