In her 40s, Kyoko is a housewife with a high schooler and a middle schooler. She never imagined her own mother would appear on an adult site. Faced with this shocking discovery, how will she respond? Her growing sexual desires, left unfulfilled by her husband, had led her to daily solitary relief. But reaching her limit, she began searching for a convenient partner and eventually applied to appear on an adult site. The person she chose, however, turned out to be a woman.