Non and her close mommy friend Sayuri. One day, while they were at a mommy gathering, the conversation turned to sex. It seems Sayuri has been having a fulfilling sex life with a young man she met through an app while her busy husband is away... Non, who had never considered this, ends up starting the app herself, thinking, "Just once won't hurt." The young man she meets is obedient, and Non awakens to the pleasure of domination. Meanwhile, the young man is also captivated by the alluring charm and full-on seduction of the married woman, both mentally and physically.