Mother, the Shiratori Sumire which raises an only son with one woman. The son who assumed a course entrance into a school of higher grade choice in a period of rapid growth costs school expenses all the time. After all there was not it despite enough income no matter how even if I worked three part-time jobs. Meanwhile, to see the free paper of the high income, the Sumi etiquette made up its mind to work by night, and went for an interview. The result is adopted on the same day. And, to her who did not understand the contents of the work, were informed of that it was work in the special Yokujou in the class that had begun to be peremptory….