her relationship with her daughter and son-in-law living together is good. all that's left is to wait for the day she can meet her first grandchild. miyako was satisfied with her leisurely and peaceful daily life. but one day, suddenly, her peaceful daily life is destroyed when she is attacked by her son-in-law. her son-in-law was horny seeing miyako, who was diligently masturbating every night. on the other hand, miyako, who had lost her outlet for her desires since her husband passed away, had a throbbing body that she didn't know what to do with. a peaceful life and the desire in front of her. miyako's heart wavers between the two. but her body reacts violently to her son-in-law's caresses...