Mikuru had been undergoing infertility treatment for three years, but her father-in-law provided financial support for the expensive medical treatment that was not covered by insurance. - However, the support was discontinued at a family meeting, and the husband begged his father-in-law to continue. - My father-in-law often wanted to touch his wife Mikuru's I cup and rounded ass, and taste her body, so he proposed to her husband that he should fuck her just once in exchange for continued assistance. - The husband had no choice but to convince his wife to let him hold her, only once. - She is held by her father-in-law in front of her husband, but when he leaves the room, she becomes intoxicated with pleasure and cums several times, perhaps due to a sense of immorality. - Unable to forget the pleasure, she later went to her father-in-law's house and was so excited that she was having fun with him that she reached climax over and over again.