[Chinese]MAS-002 A mother named Sasaki Aki indulges in her son's sexual techniques beside her sleeping husband

A family living an ordinary life in the countryside. One day, their son peeks at his parents having sex and becomes interested in his mother's beauty. While reminiscing as he smells the laundry, he is caught by his mother. Unable to make an excuse, the son pushes her down and demands service. From then on, the son goes wild when his father isn't looking, and the mother feels anxious... Eventually, mother and son cross a line and the son becomes engrossed in pleasure…