While cleaning her son's room, Eiko, the mother, accidentally found a pornographic book. She scolded her son and confiscated the book. However, she became curious about it and ended up opening it. 'It seems to be all aunties. They're around my age...' Eiko's lower body began to heat up. That night, unusually, Eiko initiated sex with her husband. After reading her son's dirty book, she became interested in the world of eros that she had never known at this age and started secretly reading it and masturbating when her husband and son were not around. One day, however, she was caught by her son while masturbating...
