Yuki Nao, 34 years old. A married woman with a son in his late elementary school years, after three filming experiences, her AV debut is finally exposed to her husband. She goes on a hot spring getaway in a fit of recklessness, and indulges in exhibitionist moaning, creampie sex, outdoor bath sex, and drunken orgy sex. Despite feeling guilty, she cannot resist the pleasure and is driven wild by the advances of multiple male actors.