Kenta struggles alone to see off his wife, who is coming home for the last month of pregnancy. I'm lonely, but I have to do my best for the sake of the child that will be born. Suddenly, her sister-in-law, Fumina, came to see how she was doing. Kenta's loneliness was eased by Fumina's offer, "Since you came all the way here, let me help you with the housework." However, Fumina, who is close to her, gradually drives her reason out of control. (I have an important family...) Even though I know that in my head, she can't resist the temptation of a beautiful breast body...
