This year's popular idol group, "Puri Puri Princess Z," had a concert that Michika, along with her son and husband, were going to attend. The night before, while looking forward to the concert and dancing to Puri Puri Princess Z's hit songs with her son, a call came through to Michika. The caller was Kenichi, a younger sex friend she met at her part-time job. On the day of the concert, Michika feigned illness to break her promise with her son and husband, and brought Kenichi to their empty home...
