Ai, a married woman who wants a child.On the day of her ovulation, when her pregnancy probability begins to rise, a letter arrives to her. "Congratulations on your pregnancy!"... A masked man suddenly appeared and grabbed her love.Ai, who unknowingly watched all of her life through surveillance cameras.Without even realizing it, her body begins to react to the repeated ejaculation of strong demons.Before long, the married woman has a child in her stomach that no one knows.