Kaoru married Ichiro, who was her colleague at work, at a young age.Ichiro has a reclusive son, Hanzo, and the reason behind his remarriage is that he is looking for someone to take care of Hanzo.Just as he expected, Hanzo lived with Kaoru, believing her to be his real mother.One day, Hanzo begins to beg Kaoru, saying, ``I want a brother.''When Hanzo learns that Kaoru is close to menopause, he becomes extremely anxious and finally takes action to impregnate Kaoru himself.
