The Takeuchi family runs a massage parlor as a couple. - Recently, my husband's erection has been bad and he ejaculates prematurely. - Rie, who is in the prime of womanhood, is not satisfied with her marital life at night. - Meanwhile, my daughter and her husband returned home. - Rie decided to give her son-in-law a massage to relieve his fatigue. - While I was massaging my family while talking, my son-in-law felt something strange about his crotch. - Rie was so nervous that she was shocked. - That night, Rie wakes up and heads to the living room. - During the process, the son-in-law masturbates in the changing room. - Rie tried to ignore it and thought it was a man's menstrual period, but she couldn't take her eyes off of his muscular erection, and Rie gulped as the milky liquid overflowed from the violently manipulated tip. - Before she knew it, Rie's hand was heading towards her crotch, and Rie suddenly came to her senses and quietly left the area. - The next day, my husband and daughter went out together. - When Rie goes to have tea with her son-in-law, the son-in-law is taking a nap. - As Rie approaches to cover her husband with the futon, she becomes curious about her husband's crotch, which she saw yesterday. - When I poked it with a bit of mischief, my crotch gradually grew bigger. - Rie could no longer hold back and finally rolled up her panties. - Rie ran her tongue down to her son-in-law's crotch as if being drawn to him and licked it engrossed. - At night, my husband and daughter went out drinking. - Rie was alone in her quiet bedroom, remembering how strong her husband was. - Just as my excitement was at its peak, my husbands came home in a rush. - The son-in-law takes care of the drunken husband and goes to the bedroom. - When Rie put her husband to bed, she muttered to him that he was really in trouble. - Then, my son-in-law hugged me and said that my mother-in-law was no good either. - Even though she was sleeping, she didn't like being in front of her husband, but Rie couldn't stop pounding in anticipation of being held by her son-in-law...