Hitomi lives with her daughter and son-in-law in an apartment. Her husband is indifferent, always unsatisfied. One night, her son-in-law, interested in Hitomi's seductive body, catches her masturbating and forcefully makes her perform oral sex. The next day, after being forced to have sex by her son-in-law, Hitomi awakens as a woman. After that, she starts enjoying intense sex with her son-in-law.
