A smile that pierces your heart, a closeness that makes you want to have an affair. You'll want to hug this innocent, cute, female announcer-type housewife, "Yu Hironaka", 28 years old, makes her AV debut!! She was popular in her class with her bright personality since her school days, and married the boyfriend she was dating at the time. They were living a happy, comfortable life, but as their relationship became stale, the number of smiles she showed decreased day by day. This time, she entered the obscene world of AV in search of new happiness...