One day, Shizuka was working at night with her husband.She asked Shizuka many times, but her husband couldn't respond to it.Her son was quietly watching her act.The next day, she said Shizuka was cleaning her and her son came over.Shizuka notices that her son's behavior is strange.Her son looked at her mother and hugged her.Although she refuses quietly, she is forced to do it by her son.That night, she is quietly embraced by her son again.At some point, Shizuka became captivated by her son's Mara and began to fuck her son at night...