Unconsciously, the married woman 'Yuu' floats in her bra. In her second year of marriage, she is sexless with her husband. A male air conditioner technician becomes aroused by Yuu's exposed nipple during work and assaults her, ejaculating inside. Afterwards, he visits her several times more, and Yuu becomes addicted to the pleasure of sex, slipping into an affair... What awaits after a couple falls apart…?
