My mother, who lives in the countryside, came to visit us for the first time in a while. That night, I came out of the bathroom and saw my girlfriend's mother taking care of her body after taking a bath. There, I saw the naked body of my girlfriend's plump mother. I was excited and asked her to have sex with my wife, but she refused. I tried to sleep but couldn't, so I secretly went to the bedroom where my girlfriend's mother was sleeping. My mother's futon is sighing