On a day off, the wife goes out drinking at home with a friend of her husband's, whom she knows well. They get excited talking about their recent situations, and the husband and friend drink too much and go to bed first. The wife heads to the bedroom later and for some reason ends up sleeping between the friend and the husband... While the wife is sleeping, the friend touches her body and gets excited! The wife resists, but she can't make a sound and gradually becomes stimulating and pleasurable. She gradually becomes more and more lewd as she looks at her husband out of the corner of her eye...!