I really don't know the teacher or classmate. "I want to be an idiot to die." Mae Naina

The father who tends to go to business and Nana who lives in two people live every day like living alone. Although Nana was a woman student of a gentle and eloquent student, there is a delusion habit, and the etching with ojiosan is indulged in the masturbation act. One day, the man of the neighborhood who brought the circulation board was attacked by the sleeping man, and sex. As a result of this, he was also found by taro Saito, the older brother of Masakazu, and Hirai who was the boss of taro, who was a bad middle aged person, and fell into the days of his debauchery...