A special outlet

Yukino, a housewife who lives with three elders of elite bureaucrats and students. She was also severely educated by her son. The son who feels the difficulty in the life which is said to parents. The father, who began to say, "we must think about future friends soon", starts to teach the son how to do the sex of the husband and wife. The son whose reason has gone mad in such abnormal education begins to hit the desire with the mother in the time where father is not.