A woman of good taste and upbringing, Yohako Haga, a 35-year-old married mother. While raising her child, she works at an agency office in Marunouchi as a career mom. Beneath her dignified appearance lies a complex feeling towards her husband who becomes more charming with age. Her first extramarital affair AV experience: accepting a penis other than her husband's into her vagina, quietly but surely reaching orgasm.
