my beautiful niece, hatsushima shizuka.

The daughter and her husband, Atsushi, who was reluctant about her father's mother, Seiko, who had been hospitalized because of illness, proposed to Seika that she live with her three children, and invited him to their home. that's one day... When Seika passes in front of her daughter's and wife's bedroom, she looks at the sexual situation that the couple is not satisfied with. The next day, Shizuka entered into an arbitration to keep in touch with the two of them, but her husband, Atsushi, who was deprived of his tenderness and rich body, unexpectedly attacked Shizuka. Awkward air flowed between the two, and it seemed to be a mistake only once, but Atsushi realized that Shizuka was jealous of her name while she was singing herself, and went back to the bedroom waiting for Shizuka.