A husband who no longer cares for his family and a wife 'Hitomi' feeling lonely, along with their son. The son had an interest in Hitomi's body as if she were of the opposite sex. One day, he notices a love hotel card in his father's jacket. Disheartened Hitomi and her son watching her. The son comforts Hitomi with a playful gesture, touching her body, and gradually, Hitomi opens herself to her son.
