Eimi sends her husband away and indulges in masturbation. - As she lies face down and rubs her clitoris against the futon, enjoying the pleasure of the gradual rush of pleasure, her father-in-law, who has visited for the first time in a long time, comes over and sees the scene. - Eimi can't stand the shame, but she has had physical relations with her father-in-law several times in the past, and the memories suddenly come back to her. - Her father-in-law, who came for the purpose of having sex, pushes her down, kisses her deeply, and stirs her meat pot with his tongue and fingers. - Her father-in-law's torture, which is rougher than her husband's, gives the married woman's body pleasure for the first time in a while, and she forgets her husband's existence and hugs her father-in-law.