Yuriko who feels frustration because a husband is impotent. In addition the crotch that I stand in the morning when I go to wake up a son and did is shown off, and frustration gathers you more. While such days continued, she who was not able to suppress the ache of carnal desires after all took charge. Tempted a son, and did not take the time so much though the Kindan went beyond the limit. Meanwhile, with the Incest of mother and the child who escalated, the secret plan of father and the child was pushed forward….