Reiko Kobaykawa accidentally saw her son-in-law spinning his hands in the room. This mother's eyes seemed to light up, she was very excited and found a way to enjoy that bird. Not long after, when this son returned home drunk, this mother immediately harassed this son-in-law. This woman takes the initiative in everything, from sucking and licking to even making love. Since then, the two have had a relationship with each other, fucking each other for many days.