There is a remote older brother of the 24 years old year in Haruna. When there was discretion, she who lost parents does not have the memory of parents. Were the same as a parent and were, so to speak, brought up into an older brother. The Koto which the older brother said believed that All was right. Therefore thought that the Koto which had sex in brothers was natural. But were late when I noticed it when a oneself brother had an abnormal relation. The Younger Sister became the body which could not defy an older brother anymore….