Married for ten years to a husband who runs a company, Kana's life was materially comfortable, but she felt a deep loneliness, as her reality was far from the marriage she had dreamed of. Her husband showed her no kindness; she was merely there to support him. One day, while returning from shopping, Kana reunites with her former classmate, Oshima. Unlike her husband, Oshima gazes at her with gentle eyes, and Kana's heart begins to waver. She starts having secret trysts with Oshima, drowning in deep sexual encounters while staring into each other's eyes, as if to fill the void in her heart...