A forty-something mother with a big butt comes from her hometown in Iwate Prefecture to her son's room in Tokyo. She changes clothes in his room without any inhibitions, just like she would at home, and he can't help but see her in her underwear. Her plump breasts and ample butt drive him crazy, and he can't hold back... After a long time apart, the mother and son's physical intimacy stirs up their lust, leading them to fall into lewdness!
