VNDS-3060 When I Opened The Door My Mom Was Masturbating

For an adolescent son, his mother is also a familiar member of the opposite sex. I'm usually a strict mother, but when I suddenly open the door, I'm in the middle of masturbation. I'm playing hard with tools such as my fingers and electric machines. "My mother was frustrated ...", my son was surprised and began to help my mother with masturbation ....