One day, Reiko asked her son to 'bring in the laundry' and went shopping. Her son picked up Reiko's panties and smelled them. He remembered what he had secretly seen his parents doing last night. That night, her son masturbated while smelling his mother's panties. As her son left the room, he heard a noise. Peeking carefully, he saw Reiko masturbating. The next day, Reiko was cleaning. Her son saw Reiko's butt and remembered masturbation, becoming excited. Unable to hold back any longer, her son lunged at Reiko…
