Ami is a wife who lives a happy married life without any worries. However, Ami loves Akira, her husband's stepchild, more than her husband, and the mother and son have a forbidden relationship. One day, her father suggests that the three of them do a major cleaning together. While her father is busy wiping the house, Ami and Akira are engaged in a thrilling incestuous act that they cannot make a sound out of...